
Electric And Optical Fibre Cables - Test Methods For Non-metallic Materials - Part 301: Electrical Tests - Measurement Of The Permittivity At 23 Degree C Of Filling Compounds
出版:Verband Deutscher Elektrotechniker

專家解讀視頻
Electric And Optical Fibre Cables - Test Methods For Non-metallic Materials - Part 301: Electrical Tests - Measurement Of The Permittivity At 23 Degree C Of Filling Compounds
出版:Verband Deutscher Elektrotechniker
專家解讀視頻