
Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V. Part 6: Lift cables and cables for flexible connections
出版:International Electrotechnical Committee

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Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V. Part 6: Lift cables and cables for flexible connections
出版:International Electrotechnical Committee
专家解读视频