
Insulating And Sheathing Materials Of Electric Cables - Common Test Methods - Part 1: General Application; Section 4: Test At Low Temperature
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Insulating And Sheathing Materials Of Electric Cables - Common Test Methods - Part 1: General Application; Section 4: Test At Low Temperature
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻