
ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 504: MECHANICAL TESTS - BENDING TESTS AT LOW TEMPERATURE FOR INSULATION AND SHEATHS (IEC 60811-504:2012)
出版:European Committee for Standards - Electrical

专家解读视频
ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 504: MECHANICAL TESTS - BENDING TESTS AT LOW TEMPERATURE FOR INSULATION AND SHEATHS (IEC 60811-504:2012)
出版:European Committee for Standards - Electrical
专家解读视频