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[国外标准] IEC 60331-31:2002 Tests for electric cables under fire conditions – Circuit integrity – Part 31: Procedures and requirements

P:2007-12-25 14:19:13

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IEC 60331-31:2002 Tests for electric cables under fire conditions – Circuit integrity – Part 31: Procedures and requirements for fire with shock – Cables of rated voltage up to and including 0.6/1 kV.pdf

factor of assurance - 安全系数,保险系数(电缆或导线的绝缘强度) (0) 投诉

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