
Amendment 1 - Electric and optical fibre cables - Test methods for non-metallic materials Part 509: Mechanical tests - Test for resistance of insulations and sheaths to cracking (heat shock test)
出版:International Electrotechnical Committee

專家解讀視頻
Amendment 1 - Electric and optical fibre cables - Test methods for non-metallic materials Part 509: Mechanical tests - Test for resistance of insulations and sheaths to cracking (heat shock test)
出版:International Electrotechnical Committee
專家解讀視頻