IEC 60413-1972 Test procedures for determining physical properties of brush materials for electrical machines《测定电机用电刷材料物理性能试验规程》.pdf

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IEC TR2 61464-1998 Insulated bushings - Guide for the interpretation of dissolved gas analysis (DGA) in bushings where oil is the impregnating medium of the mai.pdf

IEC TR 61241-2-2-1993 Electrical apparatus for use in the presence of combustible dust part 2 test methods section 2 method for determining the electrical resis.pdf

IEC TR 60972-1989 Classification and interpretation of new lighting products《新型照明产品的分类和说明》.pdf

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IEC TR 60943 AMD 1-2008 Guidance concerning the permissible temperature rise for parts of electrical equipment in particular for terminals Amendment 1《电气设备部件(特别.pdf

IEC TR 60919-2-2008 Performance of high-voltage direct current (HVDC) systems with line-communicated converters - Part 2 Faults and switching《带线性通信转换器的高压直流(HVDC.pdf

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NF S31-096-1993 Refrigerators frozen-food storage cabinets and food freezers for household and similar use Measurement of emission of airborne acoustical noise 《家用及类似用途电冰箱、冷冻食物储藏器及.pdf

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