
Electric And Optical Fibre Cables - Test Methods For Non-Metallic Materials - Part 502: Mechanical Tests - Shrinkage Test For Insulations (Iec 60811-502:2012)
出版:Verband Deutscher Elektrotechniker

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Electric And Optical Fibre Cables - Test Methods For Non-Metallic Materials - Part 502: Mechanical Tests - Shrinkage Test For Insulations (Iec 60811-502:2012)
出版:Verband Deutscher Elektrotechniker
专家解读视频