
Amendment 1 - Specification for conduits for electrical installations. Part 2: Particular specifications for conduits. Section Four: Pliable self-recovering conduits of insulating materials
出版:International Electrotechnical Committee

专家解读视频
Amendment 1 - Specification for conduits for electrical installations. Part 2: Particular specifications for conduits. Section Four: Pliable self-recovering conduits of insulating materials
出版:International Electrotechnical Committee
专家解读视频