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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 42614-2023 |
Sliding bearings - Determination of the limit value of σ0.01* for metal flangeless thin-walled bearing shells 滑动轴承 金属无法兰薄壁轴瓦 σ0.01*极限值的测定 |
China National Standards ang |
 English PDF |
| GB/T 42808-2023 |
Technical Requirements for Electronic Data Interchange of Port-Sea-Rail Combined Transport 港口海铁联运电子数据交换技术要求 |
China National Standards ang |
English PDF |
| GB/T 42807-2023 |
Technical requirements for port basic geographic information exchange services 港口基础地理信息交换服务技术要求 |
China National Standards ang |
English PDF |
| GB/T 42529-2023 |
Evaluation Requirements for Moisture Conduction and Phase Change Breathing Function of New Wall Materials 新型墙体材料湿传导及相变呼吸功能的评价要求 |
China National Standards ang |
English PDF |
| GB/T 16656.14-2023 |
Industrial Automation System and Integration Product Data Representation and Exchange Part 14: Description Method: EXPRESS-X Language Reference Manual 工业自动化系统与集成 产品数据表达与交换 第14部分：描述方法：EXPRESS-X语言参考手册 |
China National Standards ang |
English PDF |
| GB/T 19700-2023 |
Test method for thermal performance of marine heat exchangers 船用热交换器热工性能试验方法 |
China National Standards ang |
English PDF |
| GB/T 42402-2023 |
Information technology Remote communication and information exchange between systems 6TiSCH network protocol 信息技术 系统间远程通信和信息交换 6TiSCH网络协议 |
China National Standards ang |
English PDF |
| GB/T 42459-2023 |
Information technology - Telecommunication and information exchange between systems - Local and metropolitan area networks - Specific requirements - Site and media access control - Connectivity discovery 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 站点和媒体访问控制连通性发现 |
China National Standards ang |
English PDF |
| GB/T 42404-2023 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Timing and synchronization for time-sensitive applications in bridging local area networks 信息技术 系统间远程通信和信息交换 局域网和城域网 桥接局域网用时间敏感应用的定时和同步 |
China National Standards ang |
English PDF |
| GB/T 20042.2-2023 |
Proton Exchange Membrane Fuel Cells Part 2: General Specifications for Cell Stacks 质子交换膜燃料电池 第2部分：电池堆通用技术条件 |
China National Standards ang |
English PDF |
| GB/T 42384-2023 |
Health Informatics Data Exchange Standard HL7 Clinical Document Architecture (Version 2) 健康信息学 数据交换标准 HL7临床文档架构（版本2） |
China National Standards ang |
English PDF |
| GB/T 223.63-2022 |
Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method 钢铁及合金 锰含量的测定 高碘酸钠（钾）分光光度法 |
China National Standards ang |
English PDF |
| GB/T 41566-2022 |
General Rules for the Exchange of Consumer Product Safety Information 消费品安全信息交换通则 |
China National Standards ang |
English PDF |
| GB/T 41523-2022 |
Paper, board and pulp - Determination of total magnesium, calcium, manganese, iron and copper 纸、纸板和纸浆 镁、钙、锰、铁及铜总量的测定 |
China National Standards ang |
English PDF |
| GB/T 13477.21-2022 |
Test methods for building sealing materials - Part 21: Determination of color change after artificial accelerated weathering 建筑密封材料试验方法 第21部分：人工加速气候老化后颜色变化的测定 |
China National Standards ang |
English PDF |
| GB/T 41625-2022 |
Mangosteen quality grade 山竹质量等级 |
China National Standards ang |
English PDF |
| GB/T 2282-2022 |
Method for Determination of Distillation Range of Coking Light Oil Products 焦化轻油类产品馏程的测定方法 |
China National Standards ang |
English PDF |
| GB/T 41656-2022 |
Road vehicles - Mechanical coupling of towing vehicles with rear-mounted towbar couplings to towbar trailers - Interchangeability 道路车辆 尾部安装牵引杆连接器的牵引车与牵引杆挂车间的机械连接 互换性 |
China National Standards ang |
English PDF |
| GB/T 41651-2022 |
Road vehicles - Mechanical coupling of towing vehicles with lower front mounted towbar connectors and center axle trailers - Interchangeability 道路车辆 前下部安装牵引杆连接器的牵引车和中置轴挂车间的机械连接 互换性 |
China National Standards ang |
English PDF |
| GB/T 41472.2-2022 |
Geographic information ontology Part 2: ontology development rules of network ontology language (OWL) 地理信息 本体 第2部分：网络本体语言（OWL）本体开发规则 |
China National Standards ang |
English PDF |
| GB/T 21098-2022 |
Lamp caps and holders and gauges for checking their safety and interchangeability - Part 4: guidelines and general information 灯头、灯座及检验其安全性和互换性的量规 第4部分：导则及一般信息 |
China National Standards ang |
English PDF |
| GB/T 18255-2022 |
Determination of distillation range of coking viscous oil products 焦化粘油类产品馏程的测定方法 |
China National Standards ang |
English PDF |
| GB/T 41497-2022 |
Vanadium, iron, vanadium, silicon, phosphorus, manganese, aluminum and iron determination of content wavelength dispersive X-ray fluorescence spectrometric method 钒铁 钒、硅、磷、锰、铝、铁含量的测定 波长色散X射线荧光光谱法 |
China National Standards ang |
English PDF |
| GB/T 41468-2022 |
Printing technology prepress data exchange tone adjustment curve 印刷技术 印前数据交换 阶调调整曲线 |
China National Standards ang |
English PDF |
| GB/T 41415-2022 |
Textiles - Determination of dimensional change rate under dry, wet and hot conditions 纺织品 干湿热条件下尺寸变化率的测定 |
China National Standards ang |
English PDF |
| GB/T 3795-2014 |
Ferromanganese "Amendment No. 1" 锰铁《第1号修改单》 |
China National Standards ang |
English PDF |
| GB/T 21434-2022 |
Phase change boilers 相变锅炉 |
China National Standards ang |
English PDF |
| GB/T 20042.3-2022 |
Proton exchange membrane fuel cell—Part 3: Test method for proton exchange membrane 质子交换膜燃料电池 第3部分：质子交换膜测试方法 |
China National Standards ang |
English PDF |
| GB/T 5988-2022 |
Refractory products—Determination of permanent change in dimensions on heating 耐火材料 加热永久线变化试验方法 |
China National Standards ang |
English PDF |
| GB/T 17713-2022 |
Range hoods and other cooking fume extraction devices 吸油烟机及其他烹饪烟气吸排装置 |
China National Standards ang |
English PDF |
| GB/Z 17215.652-2022 |
Electrical Measurement Data Exchange DLMS/COSEM Components Part 52: Communication Protocol Management Distribution Line Message Specification (DLMS) Server 电测量数据交换 DLMS/COSEM组件 第52部分：通信协议管理配电线报文规范（DLMS）服务器 |
China National Standards ang |
English PDF |
| GB/Z 17215.651-2022 |
Electrical Measurement Data Exchange DLMS/COSEM Components Part 51: Application Layer Protocol 电测量数据交换 DLMS/COSEM组件 第51部分：应用层协议 |
China National Standards ang |
English PDF |
| GB/T 17215.675-2022 |
Electrical measurement data exchange DLMS/COSEM components Part 75: Local data transfer configuration for local network (LN) 电测量数据交换 DLMS/COSEM组件 第75部分：本地网络（LN）的本地数据传输配置 |
China National Standards ang |
English PDF |
| GB/Z 17215.669-2022 |
Electrical measurement data exchange - DLMS/COSEM components - Part 69: Mapping between common information model message sets (IEC 61968-9) and DLMS/COSEM (IEC 62056) data models and protocols 电测量数据交换 DLMS/COSEM组件 第69部分：公共信息模型消息集（IEC 61968-9）与DLMS/COSEM（IEC 62056）数据模型和协议间的映射 |
China National Standards ang |
English PDF |
| GB/T 26416.3-2022 |
Chemical analysis methods of rare earth ferroalloys - Part 3: Determination of calcium, magnesium, aluminum, nickel, manganese content - Inductively coupled plasma emission spectrometry 稀土铁合金化学分析方法 第3部分：钙、镁、铝、镍、锰量的测 定 电感耦合等离子体发射光谱法 |
China National Standards ang |
English PDF |
| GB/T 26237.9-2022 |
Information technology - Biometric data exchange format - Part 9: Vascular image data 信息技术 生物特征识别数据交换格式 第9部分：血管图像数据 |
China National Standards ang |
English PDF |
| GB/T 5686.7-2022 |
Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of sulfur content Infrared absorption method and combustion neutralization titration method 锰铁、锰硅合金、氮化锰铁和金属锰 硫含量的测定 红外线吸收法和燃烧中和滴定法 |
China National Standards ang |
English PDF |
| GB/T 19688-2022 |
Information and Documentation Data Exchange and Search Bibliographic Data Meta-Catalogue 信息与文献 数据交换和查询书目数据元目录 |
China National Standards ang |
English PDF |
| GB/T 42207.5-2022 |
Connectors for electronic equipment - Product requirements - Rectangular connectors - Part 5: Detail specification for snap lock rewirable power connectors with rated voltage DC 250 V and rated current 30 A 电子设备用连接器 产品要求 矩形连接器 第5部分：额定电压直流250 V额定电流30 A卡扣锁紧可重复接线电源连接器详细规范 |
China National Standards ang |
English PDF |
| GB/T 28181-2022 |
Technical requirements for information transmission, exchange and control of public security video surveillance networking system 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 ang |
English PDF |
| GB/T 42273-2022 |
Zirconium compound chemical analysis method Calcium, hafnium, titanium, sodium, iron, chromium, cadmium, zinc, manganese, copper, nickel, lead content determination Inductively coupled plasma atomic emission spectrometry 锆化合物化学分析方法 钙、铪、钛、钠、铁、铬、镉、锌、锰、铜、镍、铅含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards ang |
English PDF |
| GB/T 42086.2-2022 |
Hydraulic transmission connection - Flange connection - Part 2: 42 MPa, DN13～DN76 series 液压传动连接 法兰连接 第2部分: 42 MPa、DN13～DN76系列 |
China National Standards ang |
English PDF |
| GB/T 42086.1-2022 |
Hydraulic transmission connection flange connection Part 1: 3.5 MPa ~ 35 MPa, DN13 ~ DN127 series 液压传动连接 法兰连接 第1部分:3.5 MPa～35 MPa、DN13～DN127系列 |
China National Standards ang |
English PDF |
| GB/T 23821-2022 |
Mechanical safety Safety distance to prevent upper and lower limbs from touching the danger zone 机械安全 防止上下肢触及危险区的安全距离 |
China National Standards ang |
English PDF |
| GB/T 12085.22-2022 |
Optics and photonics - Environmental test methods - Part 22: Combined test of low temperature, high temperature or temperature change with impact or random vibration 光学和光子学 环境试验方法 第22部分: 低温、高温或温度变化与碰撞或随机振动综合试验 |
China National Standards ang |
English PDF |
| GB/T 18386.2-2022 |
Test methods for energy consumption and driving range of electric vehicles - Part 2: Heavy commercial vehicles 电动汽车能量消耗量和续驶里程试验方法 第2部分：重型商用车辆 |
China National Standards ang |
English PDF |
| GB/T 26237.1-2022 |
Information technology - Biometric data exchange format - Part 1: Framework 信息技术 生物特征识别数据交换格式 第1部分：框架 |
China National Standards ang |
English PDF |
| GB/T 26237.10-2022 |
Information technology - Biometric data exchange format - Part 10: Hand contour data 信息技术 生物特征识别数据交换格式 第10部分：手形轮廓数据 |
China National Standards ang |
English PDF |
| GB/T 26237.15-2022 |
Information technology - Biometric data exchange format - Part 15: Palmprint image data 信息技术 生物特征识别数据交换格式 第15部分：掌纹图像数据 |
China National Standards ang |
English PDF |
| GB/T 28826.4-2022 |
Information technology - Common biometric interchange format framework - Part 4: Security block format specification 信息技术 公用生物特征识别交换格式框架 第4部分：安全块格式规范 |
China National Standards ang |
English PDF |
| GB/T 26237.8-2022 |
Information technology - Biometric data exchange format - Part 8: Fingerprint skeleton data 信息技术 生物特征识别数据交换格式 第8部分：指纹骨架数据 |
China National Standards ang |
English PDF |
| GB/T 41801.3-2022 |
Information technology - Biometric identification systems on cards - Part 3: Logical information exchange mechanism 信息技术 卡上生物特征识别系统 第3部分：逻辑信息交换机制 |
China National Standards ang |
English PDF |
| GB/T 35031.4-2022 |
User end energy management system Part 4: Information exchange specification between master station and gateway 用户端能源管理系统 第4部分：主站与网关信息交互规范 |
China National Standards ang |
English PDF |
| GB/T 41750-2022 |
Titanium and titanium alloy square and rectangular tubes 钛及钛合金方形和矩形管材 |
China National Standards ang |
English PDF |
| GB/T 41904-2022 |
Information technology - Automated infrastructure management (AIM) systems - Requirements, data exchange and applications 信息技术 自动化基础设施管理（AIM）系统 要求、数据交换及应用 |
China National Standards ang |
English PDF |
| GB/T 40783.2-2022 |
Information technology - Telecommunication and information exchange between systems - Magnetic domain network - Part 2: In-band wireless charging control protocol 信息技术 系统间远程通信和信息交换 磁域网 第2部分：带内无线充电控制协议 |
China National Standards ang |
English PDF |
| GB/T 1149.8-2022 |
Internal combustion engines - Piston rings - Part 8: Rectangular steel rings 内燃机 活塞环 第8部分：矩形钢环 |
China National Standards ang |
English PDF |
| GB/T 5686.1-2022 |
Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of manganese content Potentiometric titration, ammonium nitrate oxidation titration and perchloric acid oxidation titration 锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法 |
China National Standards ang |
English PDF |
| GB/T 5686.4-2022 |
Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of phosphorus content Molybdenum blue spectrophotometry and bismuth phosphorus molybdenum blue spectrophotometry 锰铁、锰硅合金、氮化锰铁和金属锰 磷含量的测定 钼蓝分光光度法和铋磷钼蓝分光光度法 |
China National Standards ang |
English PDF |
| GB/T 5686.2-2022 |
Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content Molybdenum blue spectrophotometry, potassium fluorosilicate titration and perchloric acid gravimetric method 锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法 |
China National Standards ang |
English PDF |
| GB/T 41872-2022 |
Heat exchangers used in refrigeration systems and heat pumps—Temperature, pressure and velocity three-field synergy performance test and evaluation method 制冷系统及热泵用换热器 温度、压力和速度三场协同的性能测试和评价方法 |
China National Standards ang |
English PDF |
| GB/T 30661.6-2022 |
Seats for wheelchairs - Part 6: Simulated use and determination of seat cushion performance changes 轮椅车座椅 第6部分：模拟使用和座垫性能变化的测定 |
China National Standards ang |
English PDF |
| GB/T 20092.3-2022 |
Chinese News Information Content Part 3: XML Format for Data Exchange 中文新闻信息内容 第3部分：数据交换的XML格式 |
China National Standards ang |
English PDF |
| GB/T 4096.1-2022 |
Product Geometric Specifications (GPS) Wedges Part 1: angle and Slope Series 产品几何技术规范（GPS） 楔体 第1部分：角度与斜度系列 |
China National Standards ang |
English PDF |
| GB/T 11693-2022 |
Marine flange welding seat plate 船用法兰焊接座板 |
China National Standards ang |
English PDF |
| GB/T 4622.2-2022 |
Spiral wound gaskets for pipe flanges - Part 2: Class series 管法兰用缠绕式垫片 第2部分：Class系列 |
China National Standards ang |
English PDF |
| GB/T 4622.1-2022 |
Spiral wound gaskets for pipe flanges - Part 1: PN series 管法兰用缠绕式垫片 第1部分：PN系列 |
China National Standards ang |
English PDF |
| GB/T 41808-2022 |
High dynamic range television program production and exchange of image parameter values 高动态范围电视节目制作和交换图像参数值 |
China National Standards ang |
English PDF |
| GB/T 41809-2022 |
UHDTV system program production and exchange parameter values 超高清晰度电视系统节目制作和交换参数值 |
China National Standards ang |
English PDF |
| GB/T 3658-2022 |
Ring test method for magnetic properties of soft magnetic metal materials and powder metallurgy materials in the frequency range of 20Hz to 100kHz 软磁金属材料和粉末冶金材料20Hz～100kHz频率范围磁性能的环形试样测量方法 |
China National Standards ang |
English PDF |
| GB/T 30966.3-2022 |
Wind turbines - Communications for wind farm monitoring systems - Part 3: Information exchange model 风力发电机组 风力发电场监控系统通信 第3部分：信息交换模型 |
China National Standards ang |
English PDF |
| GB 9706.208-2021 |
Medical electrical equipment –Part 2-8: Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV 医用电气设备 第2-8部分：能量为10kV至1MV 治疗X射线设备的基本安全和基本性能专用要求 |
China National Standards ang |
English PDF |
| GB 40163-2021 |
Safety technical specification for packing dangerous goods in containers transported by sea 海运危险货物集装箱装箱安全技术要求 |
China National Standards ang |
English PDF |
| GB/T 40523.1-2021 |
Ships and marine technology—Measurement of changes in hull and propeller performance—Part 1: General principles 船舶与海上技术 船体和螺旋桨性能变化测量 第1部分：总则 |
China National Standards ang |
English PDF |
| GB/T 40521.2-2021 |
Passenger cars test track for a severe lane-change manoeuvre—Part 2: Obstacle avoidance 乘用车紧急变线试验车道 第2部分：避障 |
China National Standards ang |
English PDF |
| GB/T 40521.1-2021 |
Passenger cars test track for a severe lane-change manoeuvre—Part 1: Double lane-change 乘用车紧急变线试验车道 第1部分：双移线 |
China National Standards ang |
English PDF |
| GB/T 40516-2021 |
Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face dimensions J类船用法兰连接金属阀门的结构长度 |
China National Standards ang |
English PDF |
| GB/T 40523.3-2021 |
Ships and marine technology—Measurement of changes in hull and propeller performance—Part 3: Alternative methods 船舶与海上技术 船体和螺旋桨性能变化测量 第3部分：替代方法 |
China National Standards ang |
English PDF |
| GB/T 40523.2-2021 |
Ships and marine technology—Measurement of changes in hull and propeller performance—Part 2: Default method 船舶与海上技术 船体和螺旋桨性能变化测量 第2部分：默认方法 |
China National Standards ang |
English PDF |
| GB/T 40400-2021 |
Window decoration for building—Test methods of protection from strangulation 建筑窗饰产品 防勒试验方法 |
China National Standards ang |
English PDF |
| GB/T 40328-2021 |
Electrical equipment and system of industrial machines—Programing language of processing procedures for NC system 工业机械电气设备及系统 数控加工程序编程语言 |
China National Standards ang |
English PDF |
| GB/T 40312-2021 |
Ferrophosphorus—Determination of phosphorus, silicon, manganese and titanium content—Wavelength dispersive X-ray fluorescence spectrometry method (fused cast bead method) 磷铁 磷、硅、锰和钛含量的测定 波长色散X射线荧光光谱法（熔铸玻璃片法） |
China National Standards ang |
English PDF |
| GB/T 40202-2021 |
Requirements for logistics information interchange in cross-border e-commerce 跨境电子商务物流信息交换要求 |
China National Standards ang |
English PDF |
| GB/T 29168.1-2021 |
Petroleum and natural gas industries—Induction bends, fittings and flanges for pipeline transportation systems—Part 1: Induction bends 石油天然气工业 管道输送系统用感应加热弯管、管件和法兰 第1部分：感应加热弯管 |
China National Standards ang |
English PDF |
| GB/T 15899-2021 |
Chemical reagent—Manganese sulfate monohydrate 化学试剂 一水合硫酸锰（硫酸锰） |
China National Standards ang |
English PDF |
| GB/T 15596-2021 |
Plastics—Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources 塑料 在玻璃过滤后太阳辐射、自然气候或实验室辐射源暴露后颜色和性能变化的测定 |
China National Standards ang |
English PDF |
| GB/T 14949.2-2021 |
Manganese ores—Determination of nickel content—Flame atomic absorption spectrometric method 锰矿石 镍含量的测定 火焰原子吸收光谱法 |
China National Standards ang |
English PDF |
| GB/T 14949.11-2021 |
Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption method 锰矿石 碳含量的测定 重量法和红外线吸收法 |
China National Standards ang |
English PDF |
| GB/T 10781.9-2021 |
Quality requirements for baijiu—Part 9:Zhimaxiangxing baijiu 白酒质量要求 第9部分：芝麻香型白酒 |
China National Standards ang |
English PDF |
| GB/T 6132-2021 |
Interchangeability dimensions for milling cutter or milling cutter arbors 铣刀和铣刀刀杆的互换尺寸 |
China National Standards ang |
English PDF |
| GB/T 5687.13-2021 |
Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method) 铬铁 铬、硅、锰、钛、钒和铁含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法) |
China National Standards ang |
English PDF |
| GB/T 5195.11-2021 |
Fluorspar—Determination of manganese content—Periodate spectrophotometry and flame atomic absorption spectrometry 萤石 锰含量的测定 高碘酸盐分光光度法和火焰原子吸收光谱法 |
China National Standards ang |
English PDF |
| GB/T 4214.13-2021 |
Test method for noise of household and similar electrical appliances—Particular requirements for range hoods and other cooking fume extractors 家用和类似用途电器噪声测试方法 吸油烟机及其他烹饪烟气吸排装置的特殊要求 |
China National Standards ang |
English PDF |
| GB/T 1425-2021 |
Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis 贵金属及其合金熔化温度范围的测定 热分析试验方法 |
China National Standards ang |
English PDF |
| GB 9706.208-2021 |
Medical electrical equipment—Part 2-8:Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV 医用电气设备 第2-8部分：能量为10kV至1MV 治疗X射线设备的基本安全和基本性能专用要求 |
China National Standards ang |
English PDF |
| GB/T 40272-2021 |
Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium 纸、纸板、纸浆和纤维素纳米材料 酸溶镁、钙、锰、铁、铜、钠、钾的测定 |
China National Standards ang |
English PDF |
| GB/Z 40213-2021 |
Automation systems and integration - Applications integration approach using information exchange requirements modelling and software capability profiling 自动化系统与集成 基于信息交换需求建模和软件能力建规的应用集成方法 |
China National Standards ang |
English PDF |
| GB/T 40122-2021 |
Full face tunnel boring machine - Rectangular earth pressure balance pipe jacking machine 全断面隧道掘进机 矩形土压平衡顶管机 |
China National Standards ang |
English PDF |
| GB/T 40004-2021 |
Copper-silver alloy rectangular wire 铜银合金扁线 |
China National Standards ang |
English PDF |
| GB/T 38051.1-2021 |
Household electric cooking appliances—Part 1：Ranges, ovens, steam ovens and grills—Methods for measuring performance 家用烹饪电器 第1部分：电灶、烤箱、蒸箱和烤架 性能测试方法 |
China National Standards ang |
English PDF |
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