IEC 61523-1:2012 EN a607b8ae
Delay and power calculation standards - Part 1: Integrated circuit delay and power calculation systems
REVISED
发布日期 :
2012-06-21
实施日期 :
IEC 60076-7:2018 EN c90748d6
Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers
现行
发布日期 :
2018-01-12
实施日期 :