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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33457-2016 |
Specification for drawing in commercial network planning 商业网点规划制图规范 |
China National Standards net |
 English PDF |
| GB/T 33275-2016 |
Expanded steel net 钢板网 |
China National Standards net |
English PDF |
| GB/T 32691-2016 |
Automobile A/C electromagnetic clutch 汽车空调电磁离合器 |
China National Standards net |
English PDF |
| GB/T 32925-2016 |
Information security technology—Basic security requirements for networked computer terminal of government 信息安全技术 政府联网计算机终端安全管理基本要求 |
China National Standards net |
English PDF |
| GB/T 5248-2016 |
Electromagnetic (eddy-current) examination of copper and copper alloy seamless tube 铜及铜合金无缝管涡流探伤方法 |
China National Standards net |
English PDF |
| GB/T 32785-2016 |
Technical specification for disposal and utilization of vanadium titanium magnetite smelting slag 钒钛磁铁矿冶炼废渣处置及回收利用技术规范 |
China National Standards net |
English PDF |
| GB/T 32791-2016 |
Electromagnetic (Eddy-Current) examination method for electrical conductivity of copper and copper alloys 铜及铜合金导电率涡流测试方法 |
China National Standards net |
English PDF |
| GB/T 19954.1-2016 |
Electromagnetic compatibility—Product famiy standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use—Part 1: Emissoin 电磁兼容 专业用途的音频、视频、音视频和娱乐场所灯光控制设备的产品类标准 第1部分：发射 |
China National Standards net |
English PDF |
| GB/T 28181-2016 |
Technical requirements for information transport, switch and control in video surveillance network system for public security 公共安全视频监控联网系统信息传输、交换、控制技术要求 |
China National Standards net |
English PDF |
| GB/T 19954.2-2016 |
Electromagnetic compatibility—Product famiy standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use—Part 2: Immunity 电磁兼容 专业用途的音频、视频、音视频和娱乐场所灯光控制设备的产品类标准 第2部分：抗扰度 |
China National Standards net |
English PDF |
| GB/T 12606-2016 |
Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections 无缝和焊接（埋弧焊除外）铁磁性钢管纵向和/或横向缺欠的全圆周自动漏磁检测 |
China National Standards net |
English PDF |
| GB/T 32798-2016 |
XP planetary gear units XP型行星齿轮减速器 |
China National Standards net |
English PDF |
| GB/T 33012.3-2016 |
Road vehicles—Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy—Part 3: On-board transmitter simulation 道路车辆 车辆对窄带辐射电磁能的抗扰性试验方法 第3部分：车载发射机模拟法 |
China National Standards net |
English PDF |
| GB/T 33014.5-2016 |
Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 5: Stripline 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第5部分：带状线法 |
China National Standards net |
English PDF |
| GB/T 33012.1-2016 |
Road vehicles—Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy—Part 1: General 道路车辆 车辆对窄带辐射电磁能的抗扰性试验方法 第1部分：一般规定 |
China National Standards net |
English PDF |
| GB/T 33012.2-2016 |
Road vehicles—Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy—Part 2: Off-vehicle radiation sources 道路车辆 车辆对窄带辐射电磁能的抗扰性试验方法 第2部分：车外辐射源法 |
China National Standards net |
English PDF |
| GB/T 33012.4-2016 |
Road vehicles—Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy—Part 4: Bulk current injection(BCI) 道路车辆 车辆对窄带辐射电磁能的抗扰性试验方法 第4部分：大电流注入法 |
China National Standards net |
English PDF |
| GB/T 33014.4-2016 |
Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 4: Bulk current injection (BCI) 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第4部分：大电流注入（BCI）法 |
China National Standards net |
English PDF |
| GB/T 33014.3-2016 |
Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 3: Transverse electromagnetic（TEM）cell 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第3部分：横电磁波（TEM）小室法 |
China National Standards net |
English PDF |
| GB/T 33121-2016 |
Detection and identification of Sclerophthora rayssiae Kenneth,Kaltin et Wahl var.zeae Payak et Renfro 玉米褐条霜霉病菌检疫鉴定方法 |
China National Standards net |
English PDF |
| GB/T 33014.2-2016 |
Road vehicles—Component test methods for electrical /electronic disturbances from narrowband radiated electromagnetic energy—Part 2: Absorber-lined shielded enclosure 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第2部分：电波暗室法 |
China National Standards net |
English PDF |
| GB/T 33044-2016 |
Specification on the chain operation network of agricultural means of production 农业生产资料连锁经营网络规范 |
China National Standards net |
English PDF |
| GB/T 32995-2016 |
Electromagnetic shielding glass 电磁屏蔽玻璃 |
China National Standards net |
English PDF |
| GB/T 33007-2016 |
Industrial communication networks—Network and system security—Establishing an industrial automation and control system security program 工业通信网络 网络和系统安全 建立工业自动化和控制系统安全程序 |
China National Standards net |
English PDF |
| GB/T 33131-2016 |
Information security technology—Specification for IP storage network security based on IPSec 信息安全技术 基于IPSec的IP存储网络安全技术要求 |
China National Standards net |
English PDF |
| GB/T 30269.901-2016 |
Information technology—Sensor networks—Part 901: Gateway: General technical requirements 信息技术 传感器网络 第901部分：网关：通用技术要求 |
China National Standards net |
English PDF |
| GB/T 33014.1-2016 |
Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 1: General 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第1部分：一般规定 |
China National Standards net |
English PDF |
| GB/Z 29496.3-2013 |
Control & communication network CC-Link Safety Specification - Part 3: Implementation 控制与通信网络CC-Link Safety 规范 第3部分：实现 |
China National Standards net |
English PDF |
| GB/Z 29496.2-2013 |
Control & communication network CC-Link Safety Specification - Part 2: Profiles 控制与通信网络CC-Link Safety 规范 第2部分：行规 |
China National Standards net |
English PDF |
| GB/Z 29496.1-2013 |
Control & communication network CC-Link Safety Specification - Part 1: Overview / Protocol 控制与通信网络CC-Link Safety 规范 第1部分:概述/协议 |
China National Standards net |
English PDF |
| GB/Z 26157.9-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2：Controlnet & EtherNet/IP specification - Part 9： Station management 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第9部分：站管理 |
China National Standards net |
English PDF |
| GB/Z 26157.8-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 8: Electronic data sheets 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第8部分：电子数据表 |
China National Standards net |
English PDF |
| GB/Z 26157.7-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 7: Device profiles 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第7部分：设备行规 |
China National Standards net |
English PDF |
| GB/Z 26157.6-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 6: Object model 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第6部分：对象模型 |
China National Standards net |
English PDF |
| GB/Z 26157.5-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2：Controlnet and EtherNet/IP specification - Part 5：Data management 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第5部分：数据管理 |
China National Standards net |
English PDF |
| GB/Z 26157.4-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 4: Network and transport layer 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第4部分：网络层及传输层 |
China National Standards net |
English PDF |
| GB/Z 26157.3-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 3: Data link layer 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第3部分：数据链路层 |
China National Standards net |
English PDF |
| GB/Z 26157.2-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 2: Physical Layer and Media 测量和控制数字数据通信 工业控制系统用现场总线 类型 2：ControlNet和EtherNet/IP规范 第2部分：物理层和介质 |
China National Standards net |
English PDF |
| GB/Z 26157.1-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 1: General description 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第1部分：一般描述 |
China National Standards net |
English PDF |
| GB/Z 26157.10-2010 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Type 2: Controlnet and EtherNet/IP specification - Part 10: Object library 测量和控制数字数据通信 工业控制系统用现场总线 类型2：ControlNet和EtherNet/IP规范 第10部分：对象库 |
China National Standards net |
English PDF |
| GB/Z 26082-2010 |
Nanomaterials-Measuring method for DC magnetic susceptibility (magnetic moment) 纳米材料直流磁化率（磁矩）测量方法 |
China National Standards net |
English PDF |
| GB/Z 25320.7-2015 |
Power systems management and associated information exchange—Data and communications security—Part 7: network and system management (NSM) data object models 电力系统管理及其信息交换 数据和通信安全 第7部分：网络和系统管理（NSM）的数据对象模型 |
China National Standards net |
English PDF |
| GB/Z 25320.3-2010 |
Power systems management and associated information exchange - Data and communications security - Part 3: Communication network and system security -Profiles including TCP/IP 电力系统管理及其信息交换 数据和通信安全 第3部分：通信网络和系统安全 包含TCP/IP的协议集 |
China National Standards net |
English PDF |
| GB/Z 25320.1-2010 |
Power systems management and associated information exchange - Data and communications security - Part 1: Communication network and system security -Introduction to security issues 电力系统管理及其信息交换 数据和通信安全 第1部分：通信网络和系统安全 安全问题介绍 |
China National Standards net |
English PDF |
| GB/Z 24637.2-2009 |
Geometrical product specifications (GPS) - General concepts - Part 2: Basic tenets，specifications，operators and uncertainties 产品几何技术规范(GPS) 通用概念 第2部分：基本原则、规范、操作集和不确定度 |
China National Standards net |
English PDF |
| GB/Z 24294-2009 |
Information security technology - Guide of implementation for internet-based E-government information security 信息安全技术 基于互联网电子政务信息安全实施指南 |
China National Standards net |
English PDF |
| GB/Z 20830-2007 |
PROFIsafe-Profile for Safety Technology on PROFIBUS DP and PROFInet IO 基于PROFIBUS DP和PROFINET IO的功能安全通信行规-PROFIsafe |
China National Standards net |
English PDF |
| GB/Z 20541.2-2006 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems Type 10：PROFInet Specification - Part 2: Application Layer protocol specification 测量和控制数字数据通信 工业控制系统用现场总线 类型10：PROFINET规范 第2部分：应用层协议规范 |
China National Standards net |
English PDF |
| GB/Z 20541.1-2006 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems Type 10：PROFInet Specification - Part 1: Application layer service definition 测量和控制数字数据通信 工业控制系统用现场总线 类型10：PROFINET规范 第1部分：应用层服务定义 |
China National Standards net |
English PDF |
| GB/Z 20177.4-2006 |
Control network LONWORKS technology specification Part 4: Tunneling component network protocols over internet protocol channels 控制网络LONWORKS技术规范 第4部分：基于隧道技术在IP信道上传输控制网络协议的规范 |
China National Standards net |
English PDF |
| GB/Z 20177.3-2006 |
Control network LONWORKS technology specification Part 3: Free-topology twisted-pair channel specification 控制网络LONWORKS技术规范 第3部分：自由拓扑双绞线信道规范 |
China National Standards net |
English PDF |
| GB/Z 20177.2-2006 |
Control network LONWORKS technology specification Part 2:Power line channel specification 控制网络LONWORKS技术规范 第2部分：电力线信道规范 |
China National Standards net |
English PDF |
| GB/Z 20177.1-2006 |
Control network LONWORKS technology specification Part1:Protocol specification 控制网络LONWORKS技术规范 第1部分：协议规范 |
China National Standards net |
English PDF |
| GB/Z 19871-2005 |
Digital television broadcast receivers-Electromagnetic compatibility-Request and methods of measurement 数字电视广播接收机电磁兼容 性能要求和测量方法 |
China National Standards net |
English PDF |
| GB/Z 19717-2005 |
Secure message interchange based on Multipurpose Internet Mail Extensions 基于多用途互联网邮件扩展（MIME）的安全报文交换 |
China National Standards net |
English PDF |
| GB/Z 19219-2003 |
Industrial automation--Time-critical communications architectures--User requirements and network management for time-critical communications systems 工业自动化 时限通信体系结构 时限通信系统的用户需求和网络管理 |
China National Standards net |
English PDF |
| GB/Z 18509-2016 |
Electromagnetic compatibility—Guide to the drafting of electromagnetic compatibility standards 电磁兼容 电磁兼容标准起草导则 |
China National Standards net |
English PDF |
| GB/Z 18509-2001 |
Electromagnetic compatibility--Guide tothe drafting of electromagnetic compatibility standards 电磁兼容 电磁兼容标准起草导则 |
China National Standards net |
English PDF |
| GB/Z 18039.7-2011 |
Electromagnetic compatibility - Environment - Voltage dips and short interruptions on public electric power supply systems with statistical measurement results 电磁兼容 环境 公用供电系统中的电压暂降、短时中断及其测量统计结果 |
China National Standards net |
English PDF |
| GB/Z 18039.6-2005 |
Electromagnetic compatibility-environment-low frequency magnetic fields in various environments 电磁兼容 环境 各种环境中的低频磁场 |
China National Standards net |
English PDF |
| GB/Z 18039.5-2003 |
Electromagnetic compatibility--Environment--Electromagnetic environment for low-frequency conducted disturbances and signalling in public power supply systems 电磁兼容 环境 公用供电系统低频传导骚扰及信号传输的电磁环境 |
China National Standards net |
English PDF |
| GB/Z 18039.2-2000 |
Electromagneticcompatibility -- Environment --Assessment of the emission levels in the power supply of industrial plants as regards low-frequency conducted disturbances 电磁兼容 环境 工业设备电源低频传导骚扰发射水平的评估 |
China National Standards net |
English PDF |
| GB/Z 18039.1-2000 |
Electromagnetic compatibility--Environment--Classification of electromagnetic environments 电磁兼容 环境 电磁环境的分类 |
China National Standards net |
English PDF |
| GB/Z 17625.6-2003 |
Electromagnetic compatibility--Limits--Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16A 电磁兼容 限值 对额定电流大于16A的设备在低压供电系统中产生的谐波电流的限制 |
China National Standards net |
English PDF |
| GB/Z 17625.5-2000 |
Electromagnetic compatibility--Limits--Assessment of emission limits for fluctuating loads in MV and HV power systems 电磁兼容 限值 中、高压电力系统中波动负荷发射限值的评估 |
China National Standards net |
English PDF |
| GB/Z 17625.4-2000 |
Electromagnetic compatibility--Limits--Assessment of emission limits for distorting loadsin MV and HV power systems 电磁兼容 限值 中、高压电力系统中畸变负荷发射限值的评估 |
China National Standards net |
English PDF |
| GB/Z 17625.3-2000 |
Electromagnetic compatibility--Limits--Limitation of voltage fluctuations and flicker in low-voltage power supply systems for equipment with rated current greater than 16 A 电磁兼容 限值 对额定电流大于16 A的设备在低压供电系统中产生的电压波动和闪烁的限制 |
China National Standards net |
English PDF |
| GB/Z 17624.2-2013 |
Electromagnetic compatibility - General - Methodology for the achievement of functional safety of electrical and electronic systems including equipment with regard to electromagnetic phenomena 电磁兼容 综述 与电磁现象相关设备的电气和电子系统实现功能安全的方法 |
China National Standards net |
English PDF |
| GB/Z 16506-2008 |
Information technology - Telecommunications and information exchange between systems - Protocol combinations to provide and support the OSI network service 信息技术 系统间远程通信和信息交换 提供和支持OSI网络服务的协议组合 |
China National Standards net |
English PDF |
| GB/Z 15629.1-2000 |
Information technology--Telecommunication and information exchange between systems--Local and metro-politan area networks--Specific requirements--Part 1:Overview of Local Area Network standards 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第1部分:局域网标准综述 |
China National Standards net |
English PDF |
| GB/T 9771.7-2012 |
Single-mode optical fibres for telecommunication - Part 7: Characteristics of a bending loss insensitive single-mode optical fibre for the access network 通信用单模光纤 第7部分：接入网用弯曲损耗不敏感单模光纤特性 |
China National Standards net |
English PDF |
| GB/T 9718-1988 |
Information processing--General purpose reels with 8mm centre hole for magnetic tape for interchange instrumentation applications 信息处理 互换计测磁带用 8mm中心孔通用带盘 |
China National Standards net |
English PDF |
| GB/T 9717-1988 |
Information processing--Unrecorded magnetic tapes for interchange instrumentation applications -- Generaldimensional requirements 信息处理 互换用未记录计测磁带的一般尺寸要求 |
China National Standards net |
English PDF |
| GB/T 9716-1988 |
Information processing--Unrecorded 12.7mm (0.5in)wide magnetic tape for information interchange-32ftpmm(800 ftpi)NRZ1，126ftpmm(3200ftpi)phase encoded and 356ftpmm(9042ftpi) NRZ1 信息处理 信息交换用9磁道，12.7mm(0.5in)未记录磁带 32ftpmm(800ftpi)NRZ1制，126ftpmm(3200ftpi)调相制和356ftpmm(9042ftpi)NRZ1制 |
China National Standards net |
English PDF |
| GB/T 9715-1988 |
Information processing--Precision reels for magnetic tape used in interchange instrumentation applications 信息处理 互换计测磁带用的精密带盘 |
China National Standards net |
English PDF |
| GB/T 9714-1988 |
Information processing--General purpose hubs and reels with 76mm centre hole for magnetic tape usedin interchange instrumentation applications 信息处理 互换计测磁带用的76mm中心孔通用带盘和盘芯 |
China National Standards net |
English PDF |
| GB/T 9713-1988 |
Information processing--Recording characteristics of instrumentation magnetic tape (includingtelemetry systems)--Interchange requirements 信息处理 计测磁带(包括遥测系统)的记录特性 互换要求 |
China National Standards net |
English PDF |
| GB/T 9637-2001 |
Electrotechnical terminology--Magnetic materials and components 电工术语 磁性材料与元件 |
China National Standards net |
English PDF |
| GB/T 9636-1988 |
Aerial rods and slabs made of magnetic oxides 磁性氧化物制成的圆天线棒和扁天线棒 |
China National Standards net |
English PDF |
| GB/T 9633-2012 |
Measuring methods for properties of gyromagnetic materials intended for application at microwave frequencies 微波频率应用的旋磁材料性能测量方法 |
China National Standards net |
English PDF |
| GB/T 9630-2012 |
Dimensions of pot-cores made of magnetic oxides and associated parts 磁性氧化物制成的罐形磁心及其附件的尺寸 |
China National Standards net |
English PDF |
| GB/T 9629-1988 |
Inductor and transformer cores for telecommunications--Part 4:Blank detail specification--Magnetic oxide cores for transformers and chokes for power applications--Assessment level A 通信用电感器和变压器磁芯 第四部分:空白详细规范 电源变压器和扼流圈用磁性氧化物磁芯 评定水平 A(可供认证用) |
China National Standards net |
English PDF |
| GB/T 9628-1988 |
Inductor and transformer cores for telecommunications--Part4:sectional specification--Magnetic oxide cores for transformers and chokes forpower applications 通信用电感器和变压器磁芯 第四部分:分规范 电源变压器和扼流圈用磁性氧化物磁芯(可供认证用) |
China National Standards net |
English PDF |
| GB/T 9627-1988 |
Inductor and transformer cores for telecommunications--Part 3:Blank detail specification--Magnetic oxide cores for broad-band transformers--Assessment levels A and B 通信用电感器和变压器磁芯 第三部分:空白详细规范 宽带变压器用磁性氧化物磁芯评定水平 A和B (可供认证用) |
China National Standards net |
English PDF |
| GB/T 9626-1988 |
Inductor and transformer cores for telecommunications--Part 3:Sectional specification--Magnetic oxide cores for broad-band transformers 通信用电感器和变压器磁芯 第三部分:分规范 宽带变压器用磁性氧化物磁芯 (可供认证用) |
China National Standards net |
English PDF |
| GB/T 9625-1988 |
Inductor and transformer cores for telecommunications--Part 2:Blank detail specification--Magnetic oxide cores for inductor applications--Assessment level A 通信用电感器和变压器磁芯 第二部分:空白详细规范 电感器用磁性氧化物磁芯 评定水平 A (可供认证用) |
China National Standards net |
English PDF |
| GB/T 9624-1988 |
Inductor and transformer cores for telecommunications--Part 2:sectionalspecification--Magnetic oxide cores for inductor applications 通信用电感器和变压器磁芯 第二部分:分规范 电感器用磁性氧化物磁芯 (可供认证用) |
China National Standards net |
English PDF |
| GB/T 9602-1988 |
Measuring methods of electrical properties of continuous wave magnetrons 连续波磁控管电性能测试方法 |
China National Standards net |
English PDF |
| GB/T 9541-1988 |
2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type-circuits 在普通电话交换网和点对点二线租用电话型电路上使用标准化的回波抵消技术的2400比特/ 秒双工调制解调器 |
China National Standards net |
English PDF |
| GB/T 9444-2007 |
Magnetic particle testing for steel castings 铸钢件磁粉检测 |
China National Standards net |
English PDF |
| GB/T 9443-2007 |
Penetrant testing forsteel castings 铸钢件渗透检测 |
China National Standards net |
English PDF |
| GB/T 9363-1988 |
Information processing--9-Track， 12.7mm (0.5in) wide magnetictape for information interchange--Format and recording，using group coding at 246 cpmm(6250 cpi) 信息处理 信息交换用9磁道12.7mm(0.5in)磁带成组编码方式246 cpmm (6250 cpi) 的格式及记录 |
China National Standards net |
English PDF |
| GB/T 9149-2008 |
General specification for magnetic particle clutch 磁粉离合器通用技术条件 |
China National Standards net |
English PDF |
| GB/T 8494-1996 |
General specification for magnetic heads for cassette tape recorders 盒式磁带录音机磁头总技术条件 |
China National Standards net |
English PDF |
| GB/T 8059.4-1993 |
Household refrigerating appliances--Frost-free refrigerators， frost-free refrigerator-freezers， frost-free frozen food storage cabinets and frost-free food freezers 家用制冷器具 无霜冷藏箱、无霜冷藏冷冻箱、无霜冷冻食品储藏箱和无霜食品冷冻箱 |
China National Standards net |
English PDF |
| GB/T 7991.5-2014 |
Test method of viterous and porcelain enamels—Part 5：Determination of thickness by electromagnetic mothod 搪玻璃层试验方法 第5部分：用电磁法测量厚度 |
China National Standards net |
English PDF |
| GB/T 7625-1987 |
2400/1200 bits per second modem standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化 2400/1200比特/秒调制解调器 |
China National Standards net |
English PDF |
| GB/T 7623-1987 |
Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network， including procedures for bling of echo control devices for both manually and automatically established calls 在电话自动交换网上的自动应答设备和(或)并行自动呼叫设备， 包括人工和自动建立呼叫时使回波控制装置停止工作的规程 |
China National Standards net |
English PDF |
| GB/T 7622-1987 |
600/1200 bauds modem standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化600/1200波特调制解调器 |
China National Standards net |
English PDF |
| GB/T 7621-1987 |
1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephonecircuits 在电话自动交换网和点对点二线租用电话型电路上使用的标准化的1200比特/秒双工调制解调器 |
China National Standards net |
English PDF |
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