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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 20757-2006 |
Method for the determination of fourteen quinolone residues in honey - LC-MS-MS method 蜂蜜中十四种喹诺酮类药物残留量的测定 液相色谱-串联质谱法 |
China National Standards ol |
 English PDF |
| GB/T 20756-2006 |
Method for the determination of chloramphenicol, thiamphenicol，and florfenicol residues in edible animal muscles, liver and aquatic products - LC-MS-MS method 可食动物肌肉、肝脏和水产品中氯霉素、甲砜霉素和氟苯尼考残留量的测定 液相色谱-串联质谱法 |
China National Standards ol |
English PDF |
| GB/T 20753-2006 |
Method for the determination of melengestrol acetate, chlormadinone acetate and megestrol acetate residues in bovine and porcine fat - LC-UV detection method 牛和猪脂肪中醋酸美仑孕酮、醋酸氯地孕酮和醋酸甲地孕酮残留量的测定 液相色谱-紫外检测法 |
China National Standards ol |
English PDF |
| GB/T 20752-2006 |
Method for the determination residues of the metabolites of nitrofuran in pork, beef, chicken, porcine liver and aquatic products - LC-MS-MS method 猪肉、牛肉、鸡肉、猪肝和水产品中硝基呋喃类代谢物残留量的测定 液相色谱-串联质谱法 |
China National Standards ol |
English PDF |
| GB/T 20751-2006 |
Method for the determination of 15 quinolone residues in eels and eel products - LC-MS-MS method 鳗鱼及制品中十五种喹诺酮类药物残留量的测定 液相色谱-串联质谱法 |
China National Standards ol |
English PDF |
| GB/T 20749-2006 |
Method for determination of β-estradiol residues in bovine urine gas chromatography-negative-ion chemical ionization mass spectrometry method 牛尿中β-雌二醇残留量的测定 气相色谱-负化学电离质谱法 |
China National Standards ol |
English PDF |
| GB/T 20747-2006 |
Method for the determination of metabolite residues of dipyrone in bovine and porcine muscle tissues - LC-UV and LC-MS-MS method 牛和猪肌肉中安乃近代谢物残留量的测定 液相色谱-紫外检测法和液相色谱-串联质谱法 |
China National Standards ol |
English PDF |
| GB/T 20746-2006 |
Method for the determination of the residues of carbadox,olaquindox and related metabolites in bovine and porcine liver and muscle tissues - LC-MS-MS method 牛、猪的肝脏和肌肉中卡巴氧和喹乙醇及代谢物残留量的测定 液相色谱-串联质谱法 |
China National Standards ol |
English PDF |
| GB/T 20744-2006 |
Method for the determination of metronidazole, ronidazole and dimetridazole residues in honey - LC-MS-MS method 蜂蜜中甲硝唑、洛硝哒唑、二甲硝咪唑残留量的测定 液相色谱-串联质谱法 |
China National Standards ol |
English PDF |
| GB/T 20742-2006 |
Method for the determination of 2-thiouracil, methyl thiouracil, propyl thiouracil, tapazole and 2-mercaptobenzimidazole residues in bovine thyroid and muscles - LC-MS-MS method 牛甲状腺和牛肉中硫脲嘧啶、甲基硫脲嘧啶、正丙基硫脲嘧啶、它巴唑、巯基苯并咪唑残留量的测定 液相色谱-串联质谱法 |
China National Standards ol |
English PDF |
| GB/T 10954-2006 |
Turning tools for threads with clamp tips 机夹螺纹车刀 |
China National Standards ol |
English PDF |
| GB/T 10953-2006 |
Cutting-off tools for turning with clamp tips 机夹切断车刀 |
China National Standards ol |
English PDF |
| GB/T 5750.4-2006 |
Standard examination methods for drinking water - Organoleptic and physical parameters 生活饮用水标准检验方法 感官性状和物理指标 |
China National Standards ol |
English PDF |
| GB/T 5750.3-2006 |
Standard examination methods for drinking water - Water analysis quality control 生活饮用水标准检验方法 水质分析质量控制 |
China National Standards ol |
English PDF |
| GB/T 5750.2-2006 |
Standard examination methods for drinking water - Collection and preservation of water samples 生活饮用水标准检验方法 水样的采集和保存 |
China National Standards ol |
English PDF |
| GB/T 5750.13-2006 |
Standard examination methods for drinking water - Radiological parameters 生活饮用水标准检验方法 放射性指标 |
China National Standards ol |
English PDF |
| GB/T 5750.12-2006 |
Standard examination methods for drinking water - Microbiological parameters 生活饮用水标准检验方法 微生物指标 |
China National Standards ol |
English PDF |
| GB 50398-2006 |
Code for design of rolling process on seamless steel tubes 无缝钢管工艺设计规范 |
China National Standards ol |
English PDF |
| GB/T 3049-2006 |
Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method 工业用化工产品 铁含量测定的通用方法 1，10-菲啰啉分光光度法 |
China National Standards ol |
English PDF |
| GB/T 20783-2006 |
Stable chlorine dioxide solution 稳定性二氧化氯溶液 |
China National Standards ol |
English PDF |
| GB/T 20781-2006 |
Solid fertilizers and soil conditioners - Test sieving 固体肥料和土壤调理剂 筛分试验 |
China National Standards ol |
English PDF |
| GB/T 20780-2006 |
Industrial circulating cooling water - Determination of carbonate alkalinity 工业循环冷却水 碳酸盐碱度的测定 |
China National Standards ol |
English PDF |
| GB/T 20778-2006 |
Evaluation of biodegradability of water treatment chemicals - Carbon dioxide evolution test 水处理剂可生物降解性能评价方法 - CO2 生成量法 |
China National Standards ol |
English PDF |
| GB/T 15451-2006 |
Industrial circulating cooling water - Determination of total and composite alkalinity 工业循环冷却水 总碱及酚酞碱度的测定 |
China National Standards ol |
English PDF |
| GB/T 11213.4-2006 |
Sodium hydroxide for chemical fiber use - Determination of silicon content - Reduced molybdosilicate spectrophotometric method 化纤用氢氧化钠 硅含量的测定 还原硅钼酸盐分光光度法 |
China National Standards ol |
English PDF |
| GB/T 7920.13-2006 |
Concrete pavement machine and equipment - Terminology 混凝土路面铺筑机械与设备 术语 |
China National Standards ol |
English PDF |
| GB/T 7920.11-2006 |
Road construction and maintenance equipment - Asphalt mixing plants - Terminology and commercial specifications 道路施工与养护设备 沥青混合料搅拌设备 术语和商业规格 |
China National Standards ol |
English PDF |
| GB/T 7920.10-2006 |
Road construction and maintenance equipment - Soil stabilizers - Terminology and commercial specifications 道路施工与养护设备 稳定土拌和机 术语和商业规格 |
China National Standards ol |
English PDF |
| GB/T 20791-2006 |
Tractors for agriculture and forestry - Mountings and apertures for external equipment controls 农林拖拉机 外部装置操纵件用支架和孔口 |
China National Standards ol |
English PDF |
| GB/T 20789-2006 |
Equipment for harvesting and conservation - Round balers - Terminology and commercial specifications 收获和贮存机械 圆捆打捆机 术语和商用规范 |
China National Standards ol |
English PDF |
| GB/T 20736-2006 |
Fatigue test method for transmission precision roller chain 传动用精密滚子链条疲劳试验方法 |
China National Standards ol |
English PDF |
| GB/T 18150-2006 |
Guidelines for the selection of roller chain drives 滚子链传动选择指导 |
China National Standards ol |
English PDF |
| GB/T 1243-2006 |
Short-pitch transmission precision roller and bush chains, attachments and associated chain sprockets 传动用短节距精密滚子链、套筒链、附件和链轮 |
China National Standards ol |
English PDF |
| GB/T 4797.4-2006 |
Environmental conditions appearing in nature for electric and electronic products - Solar radiation and temperature 电工电子产品 自然环境条件 太阳辐射与温度 |
China National Standards ol |
English PDF |
| GB/T 17626.29-2006 |
Electromagnetic compatibility(EMC) - Testing and measurement techniques - Voltage dips,short interruptions and voltage variations on d.c. input power port immunity tests 电磁兼容 试验和测量技术 直流电源输入端口电压暂降、短时中断和电压变化的抗扰度试验 |
China National Standards ol |
English PDF |
| GB/T 5054.3-2006 |
Road vehicles - Multicore connecting cables -Part 3: Construction, dimensions and marking of unscreened sheathed low-voltage cables 道路车辆 多芯电缆线 第3部分：无屏蔽护套低压电缆线的结构、尺寸和标记 |
China National Standards ol |
English PDF |
| GB/T 5053.2-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 12 N (normal) for vehicles with 12 V nominal supply voltage 道路车辆 牵引车与挂车之间电连接器 7芯12V标准型（12N） |
China National Standards ol |
English PDF |
| GB/T 5053.1-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 24 N (normal) for vehicles with 24 V nominal supply voltage 道路车辆 牵引车与挂车之间电连接器 7芯24V标准型(24N) |
China National Standards ol |
English PDF |
| GB/T 20718-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 13-pole connector for vehicles with 12V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 12V13芯型 |
China National Standards ol |
English PDF |
| GB/T 20717-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 15-pole connector for vehicles with 24V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 24V15芯型 |
China National Standards ol |
English PDF |
| GB/T 20716.2-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 2: Connectors for braking systems and running gears of vehicles with 12V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 第2部分：12V标称电压车辆的制动系统和行走系的连接 |
China National Standards ol |
English PDF |
| GB/T 20716.1-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 1: Connectors for braking systems and running gears of vehicles with 24V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 第1部分：24V标称电压车辆的制动系统和行走系的连接 |
China National Standards ol |
English PDF |
| GB/T 20662-2006 |
Petroleum and natural gas industries - Classification and conformity assessment of products processes and services 石油天然气工业 产品、过程和服务的分级与合格评定 |
China National Standards ol |
English PDF |
| GB/T 20661-2006 |
Petroleum and natural gas industries - Flexible pipe systems for subsea and marine riser applications 石油和天然气工业 用于海底和海洋立管的挠性管系统 |
China National Standards ol |
English PDF |
| GB/T 20660-2006 |
Petroleum and natural gas industries - Control and mitigation of fires and explosions on offshore production installations - Requirements and guidelines 石油天然气工业 海上生产设施火灾、爆炸的控制和削减措施 要求和指南 |
China National Standards ol |
English PDF |
| GB/T 20659-2006 |
Petroleum and natural gas industries - Aluminium alloy drill pipe 石油天然气工业 铝合金钻杆 |
China National Standards ol |
English PDF |
| GB/T 20658-2006 |
Crude petroleum and liquid petroleum products - Volumetric metering of viscous hydrocarbons 原油和液体石油产品 粘稠烃的体积计量 |
China National Standards ol |
English PDF |
| GB/T 20656-2006 |
Petroleum and natural gas industries - Field inspection of new casing, tubing and plain-end drill pipe 石油天然气工业 新套管、油管和平端钻杆现场检验 |
China National Standards ol |
English PDF |
| GB/T 16904.2-2006 |
Checking of rolling stock clearance for standard gauge railways - Part 2：clearance treadle 标准轨距铁路机车车辆限界检查 第2部分：限界规 |
China National Standards ol |
English PDF |
| GB/T 16904.1-2006 |
Checking of rolling stock clearance for standard gauge railways - Part 1：Methods for inspecting 标准轨距铁路机车车辆限界检查 第1部分：检查方法 |
China National Standards ol |
English PDF |
| GB/T 20733-2006 |
Digital Still Cameras - Terminology 数码照相机 术语 |
China National Standards ol |
English PDF |
| GB/T 20730.1-2006 |
Industrial-process control systems -Instruments with analogue inputs and two- or multi-state outputs - Part 1: Methods of evaluating performance 工业过程控制系统用模拟输入两位或多位输出仪表 第1部分：性能评定方法 |
China National Standards ol |
English PDF |
| GB/T 20728-2006 |
Measurement of fluid flow in closed conduits - Guidance to the selection, installation and use of Coriolis meters 封闭管道中流体流量的测量 科里奥利流量计的选型、安装和使用指南 |
China National Standards ol |
English PDF |
| GB/T 20720.2-2006 |
Enterprise-control system integration - Part 2: Object model attributes 企业控制系统集成 第2部分：对象模型属性 |
China National Standards ol |
English PDF |
| GB/T 20720.1-2006 |
Enterprise-control system integration - Part 1: Models and terminology 企业控制系统集成 第1部分：模型和术语 |
China National Standards ol |
English PDF |
| GB/T 19903.10-2006 |
Industrial automation systems and integration - Physical device control - Data model for computerized numerical controllers - Part 10: General process data 工业自动化系统与集成 物理设备控制 计算机数值控制器用的数据模型 第10部分：通用工艺数据 |
China National Standards ol |
English PDF |
| GB/T 19902.3-2006 |
Industrial automation systems and integration - Manufacturing software capability profiling for interoperability - Part 3: Interface services,protocols and capability templates 工业自动化系统与集成 制造软件互操作性能力建规 第3部分：接口服务、协议及能力模板 |
China National Standards ol |
English PDF |
| GB/T 19659.4-2006 |
Industrial automation systems and integration - Open systems application integration framework - Part 4: Reference description for Ethernet-based control systems 工业自动化系统与集成 开放系统应用集成框架 第4部分：基于以太网控制系统的参考描述 |
China National Standards ol |
English PDF |
| GB/T 19659.3-2006 |
Industrial automation systems and integration - Open systems application integration framework - Part 3: Reference description for IEC 61158-based control systems 工业自动化系统与集成 开放系统应用集成框架 第3部分：基于IEC 61158控制系统的参考描述 |
China National Standards ol |
English PDF |
| GB/T 19659.2-2006 |
Industrial automation systems and integration - Open systems application integration framework - Part 2: Reference description for ISO 11898-based control systems 工业自动化系统与集成 开放系统应用集成框架 第2部分：基于ISO 11898的控制系统的参考描述 |
China National Standards ol |
English PDF |
| GB/T 20666-2006 |
Unified screw threads - Tolerances 统一螺纹 公差 |
China National Standards ol |
English PDF |
| GB/T 20671.11-2006 |
Classification system and test methods for nonmetallic gasket materials - Part 11: Standard practice for determining resistance of synthetic polymeric materials to fungi 非金属垫片材料分类体系及试验方法 第11部分: 合成聚合材料抗霉性测定方法 |
China National Standards ol |
English PDF |
| GB/T 17574.9-2006 |
Semiconductor devices - Integrated circuits - Part 2-9: Digital integrated circuits - Blank detail specification for MOS ultraviolet light erasable electrically programmable read-only memories 半导体器件 集成电路 第2-9部分：数字集成电路 紫外光擦除电可编程MOS只读存储器空白详细规范 |
China National Standards ol |
English PDF |
| GB/T 17574.20-2006 |
Semiconductor devices - Integrated circuits - Part 2-20：Digital integrated circuits - Family specification - Low voltage integrated circuits 半导体器件 集成电路 第2-20部分：数字集成电路 低压集成电路族规范 |
China National Standards ol |
English PDF |
| GB/T 20647.6-2006 |
Guidelines for community service - Part 6: Service for adolescence 社区服务指南 第6部分 青少年服务 |
China National Standards ol |
English PDF |
| GB/T 18488.2-2006 |
The electrical machines and controllers for electric vehicles - Part 2: Test methods 电动汽车用电机及其控制器 第2部分：试验方法 |
China National Standards ol |
English PDF |
| GB/T 18488.1-2006 |
The electrical machines and controllers for electric vehicles - Part 1：General specification 电动汽车用电机及其控制器 第1部分：技术条件 |
China National Standards ol |
English PDF |
| GB 7251.4-2006 |
Low-voltage switchgear and controlgear assemblies - Part 4 ：Particular requirements for assemblies for construction sites（ACS） 低压成套开关设备和控制设备 第4部分：对建筑工地用成套设备(ACS)的特殊要求 |
China National Standards ol |
English PDF |
| GB/T 20797-2006 |
Determination of olaquindox in meat and meat products 肉与肉制品中喹乙醇残留量的测定 |
China National Standards ol |
English PDF |
| GB/T 20630.2-2006 |
Specification for polyester fibre woven tapes - Part 2: Methods of test 聚酯纤维机织带规范 第2部分：试验方法 |
China National Standards ol |
English PDF |
| GB/T 20630.1-2006 |
Specification for polyester fibre woven tapes - Part 1: Definitions，designation and general requirements 聚酯纤维机织带规范 第1部分：定义、名称和一般要求 |
China National Standards ol |
English PDF |
| GB/T 20627.2-2006 |
Specification for glass and glass polyester fibre woven tapes - Part 2: Methods of test 玻璃及玻璃聚酯纤维机织带规范 第2部分：试验方法 |
China National Standards ol |
English PDF |
| GB/T 20627.1-2006 |
Specification for glass and glass polyester fibre woven tapes - Part 1: Definitions, classification and general requirements 玻璃及玻璃聚酯纤维机织带规范 第1部分：定义、分类和一般要求 |
China National Standards ol |
English PDF |
| GB/T 20625-2006 |
Special environmental condition - Terminology 特殊环境条件 术语 |
China National Standards ol |
English PDF |
| GB/T 1408.2-2006 |
Electrical strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage 绝缘材料电气强度试验方法 第2部分：对应用直流电压试验的附加要求 |
China National Standards ol |
English PDF |
| GB/T 14048.8-2006 |
Low-voltage switchgear and controlgear - Part 7-2: Ancillary equipment - Protective conductor terminal blocks for copper conductors 低压开关设备和控制设备 第7-2部分：辅助器件 铜导体的保护导体接线端子排 |
China National Standards ol |
English PDF |
| GB/T 14048.7-2006 |
Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors 低压开关设备和控制设备 第7-1部分：辅助器件 铜导体的接线端子排 |
China National Standards ol |
English PDF |
| GB/T 14048.16-2006 |
Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection(PTC) for rotating electrical machines 低压开关设备和控制设备 第8部分：旋转电机用装入式热保护（PTC）控制单元 |
China National Standards ol |
English PDF |
| GB/T 14048.15-2006 |
Low-voltage switchgear and controlgear - Part 5-6: Control circuit devices and switching elements - DC interface for proximity sensors and switching amplifiers(NAMUR) 低压开关设备和控制设备 第5-6部分：控制电路电器和开关元件-接近传感器和开关放大器的DC接口（NAMUR） |
China National Standards ol |
English PDF |
| GB/T 14048.14-2006 |
Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function 低压开关设备和控制设备 第5-5部分：控制电路电器和开关元件-具有机械锁闩功能的电气紧急制动装置 |
China National Standards ol |
English PDF |
| GB/T 14048.13-2006 |
Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions(PDF) 低压开关设备和控制设备 第5-3部分：控制电路电器和开关元件-在故障条件下具有确定功能的接近开关（PDF）的要求 |
China National Standards ol |
English PDF |
| GB/T 14048.12-2006 |
Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters-AC semiconductor controllers and contactors for non-motor loads 低压开关设备和控制设备 第4-3部分：接触器和电动机起动器-非电动机负载用交流半导体控制器和接触器 |
China National Standards ol |
English PDF |
| GB/T 2900.45-2006 |
Electrotechnical terminology - Hydroelectric powerplant machinery 电工术语 水电站水力机械设备 |
China National Standards ol |
English PDF |
| GB/T 20640-2006 |
Electrical accessories - Circuit-breakers and similar equipment for household use - Auxiliary contact units 电气附件 家用断路器和类似设备 辅助触头组件 |
China National Standards ol |
English PDF |
| GB/T 8910.6-2006 |
Hand-held portable power tools - Measurements of vibrations at the handle - Part 6: Impact drills 手持便携式动力工具 手柄振动测量方法 第6部分: 冲击钻 |
China National Standards ol |
English PDF |
| GB/T 2423.56-2006 |
Environmental testing for electric and electronic products - Part 2: Test methods - Test Fh: Vibration、broad-band random(digital control) and guidance 电工电子产品环境试验 第2部分：试验方法 试验Fh：宽带随机振动（数字控制）和导则 |
China National Standards ol |
English PDF |
| GB/T 20645-2006 |
Specific environmental condition - Technical requirements of low-voltage apparatuses for plateau 特殊环境条件 高原用低压电器技术要求 |
China National Standards ol |
English PDF |
| GB/T 20644.2-2006 |
Specific environmental condition - Guidance for choosing - Part 2: Polymer materials 特殊环境条件 选用导则 第2部分：高分子材料 |
China National Standards ol |
English PDF |
| GB/T 20643.3-2006 |
Special environmental condition - Environmental test method - Part 3: Artificial environmental test method and guidance - Polymer material 特殊环境条件 环境试验方法 第3部分：人工模拟试验方法及导则 高分子材料 |
China National Standards ol |
English PDF |
| GB/T 20639-2006 |
Artificial pollution testing of non-linear resistor type gapped arresters 有间隙阀式避雷器人工污秽试验 |
China National Standards ol |
English PDF |
| GB/T 20635-2006 |
Special environment condition - Technical requirements of high voltage apparatus used for plateau 特殊环境条件 高原用高压电器的技术要求 |
China National Standards ol |
English PDF |
| GB/T 13324-2006 |
Terminology of heat treatment equipment 热处理设备术语 |
China National Standards ol |
English PDF |
| GB/T 20612.1-2006 |
Traffic and Traveler Information (TTI) - TTI messages via traffic message coding - Part 1: Coding protocol for Radio Data System-Traffic Message Channel (RDS-TMC) using ALERT-C 交通及出行者信息（TTI） 经交通报文编码的TTI报文 第1部分：使用ALERT-C的广播数据系统-交通报文频道（RDS-TMC）编码协议 |
China National Standards ol |
English PDF |
| GB/T 20610-2006 |
Road transport and traffic telematics - Electronic fee collection（EFC）- Interface specification for clearing between operators 道路运输与交通信息技术 电子收费（EFC）参与方之间信息交互接口的规范 |
China National Standards ol |
English PDF |
| GB/T 20609-2006 |
Traffic information collection - Microwave traffic flow detector 交通信息采集 微波交通流检测器 |
China National Standards ol |
English PDF |
| GB/T 20608-2006 |
Intelligent transportation systems - Adaptive cruise control systems -Performance requirements and test procedures 智能运输系统 自适应巡航控制系统 性能要求与检测方法 |
China National Standards ol |
English PDF |
| GB/T 605-2006 |
Chemical reagent - General method for the measurement of colour 化学试剂 色度测定通用方法 |
China National Standards ol |
English PDF |
| GB/T 683-2006 |
Chemical reagent - Methanol 化学试剂 甲醇 |
China National Standards ol |
English PDF |
| GB/T 709-2006 |
Dimension,shape,weight and tolerances for hot-rolled steel plates and sheets 热轧钢板和钢带的尺寸、外形、重量及允许偏差 |
China National Standards ol |
English PDF |
| GB/T 708-2006 |
Dimension,shape,weight and tolerance for cold-rolled steel plates and sheets 冷轧钢板和钢带的尺寸、外形、重量及允许偏差 |
China National Standards ol |
English PDF |
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