IEC 62271-1:2007 EN-FR 4d63a171
High-voltage switchgear and controlgear - Part 1: Common specifications
REVISED
发布日期 :
2007-10-24
实施日期 :
IEC 62271-1:2007/AMD1:2011 EN-FR 5586d314
Amendment 1 - High-voltage switchgear and controlgear - Part 1: Common specifications
REVISED
发布日期 :
2011-06-16
实施日期 :