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[国外标准] HD 21.7 S1/A1-1992 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V Part 7: Single core non-sheathed cables for internal wiring for a conductor temperature of 90℃

JIM9310

P:2009-01-23 15:35:45

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HD 21.7 S1/A1 7 HD 21.7 15PAGE S1-1990＋AMD-1992.pdf

HD 21.7 S1/A1-1992 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V Part 7: Single core non-sheathed cables for internal wiring for a conductor temperature of 90℃ .pdf

admittance - 进入,进入权,加工作量,公差;通道;输入端;过渡函数;透射力;导纳 （0） 投诉

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