
ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 508: MECHANICAL TESTS - PRESSURE TEST AT HIGH TEMPERATURE FOR INSULATION AND SHEATHS
出版:Comitato Elettrotecnico Italiano

专家解读视频
ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 508: MECHANICAL TESTS - PRESSURE TEST AT HIGH TEMPERATURE FOR INSULATION AND SHEATHS
出版:Comitato Elettrotecnico Italiano
专家解读视频