
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:International Electrotechnical Committee

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:International Electrotechnical Committee
专家解读视频