DS/EN IEC 60947-1:2021 Low-voltage switchgear and controlgear – Part 1: General rules was changed to DS/EN 60947-1/A1:2011 Low-voltage switchgear and controlgear - Part 1: General rules.
DS/EN IEC 60947-1:2021 Low-voltage switchgear and controlgear – Part 1: General rules was changed to DS/EN 60947-1:2007 Low-voltage switchgear and controlgear - Part 1: General rules.
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