Browse Standards
4331+ standards in database
4331 result(s) found
电动机系统节能改造规范
Specification for the reconstruction of motor system for energy-saving
电器设备外壳对外界机械碰撞的防护等级（IK代码）
Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
色度学 第4部分：CIE 1976 L* a* b*颜色空间
Colorimetry—Part 4: CIE 1976 L* a* b* colour space
应急照明
Emergency lighting
红斑基准作用光谱及标准红斑剂量
Erythema reference action spectrum and standard erythema dose
流化床法颗粒硅
Granular polysilicon produced by fluidized bed method
1000kV电抗器保护装置技术要求
Requirements for 1000kV reactor protection equipment
电力牵引用接触线 第2部分：钢铝复合接触线
Trolley and contact wires for electric traction—Part 2：Aluminium and steel composite contact wires
电力牵引用接触线 第1部分：铜及铜合金接触线
Trolley and contact wires for electric traction—Part 1：Copper and copper-alloy contact wires
低压成套开关设备和控制设备 第2部分：成套电力开关和控制设备
Low-voltage switchgear and controlgear assemblies—Part 2: Power switchgear and controlgear assemblies
低压成套开关设备和控制设备 第1部分：总则
Low-voltage switchgear and controlgear assemblies—Part 1: General rules
器具开关 第2-4部分：独立安装开关的特殊要求
Switches for appliances—Part 2-4: Particular requirements for independently mounted switches
器具开关 第2-1部分：软线开关的特殊要求
Switches for appliances—Part 2-1: Particular requirements for cord switches
硅外延用三氯氢硅
Trichlorosilane for silicon epitaxial
炭素材料洛氏硬度测定方法
Test method for Rockwell hardness of carbon materials
数控机床远程运维 第1部分：通用要求
Remote operation and maintenance of computer numerical control (CNC) machine tools—Part 1: General requirements
炭素材料表面粗糙度试验方法
Test method for surface roughness of carbon materials
锂离子电池和电池组安全使用指南
Guidelines for safety use of lithium ion cells and batteries
锂离子电池组安全设计指南
Guidelines for safety design of lithium ion batteries
石墨材料 当量硼含量的测定 电感耦合等离子体原子发射光谱法
Graphite materials—Test method for equivalent boron contents—Inductively coupled plasma atomic emission spectrometry