GB/T 5226.31-2017
Electrical safety of machinery—Electrical equipment of machines—Part 31:Particular safety and EMC requirements for sewing machines, units and systems 机械电气安全 机械电气设备 第31部分:缝纫机、缝制单元和缝制系统的特殊安全和EMC要求 |
GB/T 6113.201-2017
Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-1: Methods of measurement of disturbances and immunity—Conducted disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范 第2-1 部分:无线电骚扰和抗扰度测量方法 传导骚扰测量 |
GB/T 12273.1-2017
Quartz crystal units of assessed quality—Part 1:Generic specification 有质量评定的石英晶体元件 第1部分:总规范 |
GB/T 33578.2-2017
Guideline of risk based inspection of complete units—Part 2:Catalytic cracking units 成套装置基于风险的检验细则 第2部分:催化裂化装置 |
GB/T 33578.1-2017
Guideline of risk based inspection of complete units—Part 1:Ethylene units 成套装置基于风险的检验细则 第1部分:乙烯装置 |
GB/T 14048.3-2017
Low-voltage switchgear and controlgear—Part3: Switches,disconnectors,switch-disconnectors and fuse-combination units 低压开关设备和控制设备 第3部分:开关、隔离器、隔离开关及熔断器组合电器 |
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