
Communication cables - Specifications for test methods Part 4-16: Environmental test methods - Circuit integrity under fire conditions; German version prEN 50289-4-16:2007
出版:Verband Deutscher Elektrotechniker

专家解读视频
Communication cables - Specifications for test methods Part 4-16: Environmental test methods - Circuit integrity under fire conditions; German version prEN 50289-4-16:2007
出版:Verband Deutscher Elektrotechniker
专家解读视频