DIN IEC 60947-5-1/A3 (2002-05)被替代
Amendment 3 To Iec 60947-5-1 - Low-voltage Switchgear And Controlgear - Part 5-1: Control Circuit Devices And Switching Elements; Electromechanical Control Circuit Devices
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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