DIN IEC 17B-890-CDV (1998-06)被替代
Low-voltage Switchgear And Controlgear - Part 5: Control Circuit Devices And Switching Elements; Section 1: Electromechanical Control Circuit Devices; Amendment To Iec 60947-5-1:1997
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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