
Varnishes Used For Electrical Insulation - Part 3: Specifications For Individual Materials; Sheet 2: Hot Curing Impregnating Varnishes
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Varnishes Used For Electrical Insulation - Part 3: Specifications For Individual Materials; Sheet 2: Hot Curing Impregnating Varnishes
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻