标准查询 标准查询电工钢条和电工钢板试验方法.第5部分:电工钢条和电工钢板密度,电阻率和堆垛系数的测量方法
Test methods for electrical steel strip and sheet.Part 5: Methods of measurement of density, resistivity and stacking factor of electrical strip and sheet
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标准查询Test methods for electrical steel strip and sheet.Part 5: Methods of measurement of density, resistivity and stacking factor of electrical strip and sheet
