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[国外标准] IEC 60446-2007 Basic and safety principles for man-machine interface,marking and identification Identification of conductors by colours or numerals

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P:2026-04-04 00:00:16

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IEC 60446-2007--颜色.pdf

IEC 60446-2007 Basic and safety principles for man-machine interface,marking and identification Identification of conductors by colours or numerals.pdf

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