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20kV及以下冲击全波电压试验装置校准规范
参考页数:
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接地电阻表 产品质量分等
Earth resistance meter - Product quality rating
参考页数:
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万用电表
Multi-function instruments
参考页数:14P.;A4
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毫欧姆表
Milliohmmeters
参考页数:13P.;A4
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直流低电阻测试仪
Tester for direct current low-resistence
参考页数:15P.;A4
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直接作用模拟指示静电系电压表
Direct acting analogue indication electrostatic voltmeter
参考页数:11P.;A4
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间接作用的电指示和记录仪表及其附件规范
Specification for indirect-acting electrical indicating and recording instruments and their accessories
参考页数:40P.;A4
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直接指示模拟电工测量仪表及其辅助设备.第3部分:瓦特表和无功功率表的特殊要求规范
Direct acting indicating analogue electrical measuring instruments and their accessories - Specification for special requirements for wattmeters and varmeters
参考页数:24P;A4
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