GB/T 31838.4-2019 固体绝缘材料 介电和电阻特性 第4部分:电阻特性(DC方法) 绝缘电阻。pdf格式,免费下载。 Solid insulating materials--Dielectric and resistive propertie Part 4: Resistive properties (DC methods)--Insulation resistance [LIEC 62631-3-3: 2015, Dielectric and resistive properties of solid insulating materials-Part 3-3: Determination of resistive properties (DC methods)--Insulation resist...................
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