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现行 UNE 21370:1985
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METHODS OF TEST FOR THE DETERMINATION OF IONIC IMPURITIES IN ELECTRICAL INSULATING MATERIALS BY EXTRACTION WITH LIQUIDS. 用液体萃取法测定电绝缘材料中离子杂质的试验方法
发布日期: 1985-12-15
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发布单位或类别: 西班牙-西班牙标准
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