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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7000.220-2023 |
Luminaires Part 2-20: Special requirements Light strings {译} 灯具 第2-20部分：特殊要求 灯串 |
China National Standards string |
 English PDF |
| GB/T 21421.1-2021 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V—Part 1：Standard strength classes and end fittings 标称电压高于1 000V的架空线路用复合绝缘子串元件 第1部分：标准强度等级和端部装配件 |
China National Standards string |
English PDF |
| GB/T 39212-2020 |
Drill string compensating system of floating drilling unit 浮式钻井船钻柱升沉补偿装置 |
China National Standards string |
English PDF |
| GB/T 25318-2019 |
Locking devices for ball and socket couplings of string insulator units—Dimensions and tests 绝缘子串元件球窝联接用锁紧销 尺寸和试验 |
China National Standards string |
English PDF |
| GB/T 4056-2019 |
Dimensions of ball and socket couplings of string insulator units 绝缘子串元件的球窝联接尺寸 |
China National Standards string |
English PDF |
| GB/T 25429-2019 |
Petroleum drilling and production equipment—Drill string non-return valve 石油天然气钻采设备 钻具止回阀 |
China National Standards string |
English PDF |
| GB/T 25318-2019 |
Locking devices for ball and socket couplings of string insulator units—Dimensions and tests 绝缘子串元件球窝联接用锁紧销 尺寸和试验 |
China National Standards string |
English PDF |
| GB/T 4056-2019 |
Dimensions of ball and socket couplings of string insulator units 绝缘子串元件的球窝联接尺寸 |
China National Standards string |
English PDF |
| GB/T 37265-2018 |
Petroleum and natural gas industries－Design and operating limits of drill strings with aluminium alloy drill pipes 石油天然气工业-含铝合金钻杆的钻柱设计及操作极限 |
China National Standards string |
English PDF |
| GB/T 32753-2016 |
Test methods for degummed ramie string(unseperated fibers) 苎麻精干麻硬条（并丝）率试验方法 |
China National Standards string |
English PDF |
| GB/T 21421.2-2014 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V― Part 2：Dimensions and characteristics 标称电压高于1 000V 的架空线路用复合绝缘子串元件 第2部分：尺寸与特性 |
China National Standards string |
English PDF |
| GB/T 30774-2014 |
Test method to determine stringiness of sealants 密封胶粘连性的测定 |
China National Standards string |
English PDF |
| GB/T 1001.2-2010 |
Insulators for overhead lines with a nominal voltage above 1000V - Part 2: Insulator strings and insulator sets for a.c.systems - Definitions, test methods and acceptance criteria 标准电压高于1000V的架空线路绝缘子 第2部分：交流系统用绝缘子串及绝缘子串组 定义、试验方法和接收准则 |
China National Standards string |
English PDF |
| GB/T 25318-2010 |
Locking devices for ball and socket couplings of string insulator units：Dimensions and tests. 绝缘子串元件球窝联接用锁紧销：尺寸和试验 |
China National Standards string |
English PDF |
| GB/T 25317-2010 |
Dimensions of clevis and tongue couplings of string insulator units 绝缘子串元件的槽型连接尺寸 |
China National Standards string |
English PDF |
| GB/T 25429-2010 |
Specification for drill string non-return valve 钻具止回阀规范 |
China National Standards string |
English PDF |
| GB/T 25084-2010 |
Insulator strings and sets for overhead lines with a nominal voltage greater than 1000V - AC power arc tests 标称电压高于1000V的架空线路用绝缘子串和绝缘子串组 交流工频电弧试验 |
China National Standards string |
English PDF |
| GB/T 22705-2008 |
Safety specifications for cords and drawstrings on children’s clothing 童装绳索和拉带安全要求 |
China National Standards string |
English PDF |
| GB/T 22702-2008 |
Standard safety size for drawstrings on children’s upper wear 儿童上衣拉带安全规格 |
China National Standards string |
English PDF |
| GB/T 22709-2008 |
Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric 架空线路玻璃或瓷绝缘子串元件绝缘体机械破损后的残余强度 |
China National Standards string |
English PDF |
| GB/T 22708-2008 |
Thermal-mechanical performance test and mechanical performance test on string insulator units 绝缘子串元件的热机和机械性能试验 |
China National Standards string |
English PDF |
| GB/T 23155-2008 |
Safety requirements and test methods of drawstrings and cords on children’s clothing for import and export 进出口儿童服装绳带安全要求及测试方法 |
China National Standards string |
English PDF |
| GB/T 4056-2008 |
Ball and socket coupling dimensions of string insulator units 绝缘子串元件的球窝连接尺寸 |
China National Standards string |
English PDF |
| GB/T 21421.1-2008 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1000V - Part 1: Standard strength classes and end fittings 标称电压高于1000V架空线路用复合绝缘子串元件 第1部分：标准强度等级和端部附件 |
China National Standards string |
English PDF |
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