IEC 60050-421 Ed. 1.0现行
International Electrotechnical Vocabulary. Chapter 421: Power transformers and reactors
出版：International Electrotechnical Committee
专家解读视频
It has the status of a horizontal standard in accordance with IEC Guide 108<
IEV KAPITEL 421 - Identical
NEN 10050-421:1991 - Identical
JIS C 4306:2005 - Identical
JIS C 4304:2005 - Identical
BS 4727-2:GRP04:1991 - Equivalent
NFC 01 421:1990 - Identical
UNE 21302-421:1992 - Identical
BIS IS 1885-38:1993 (R2004) - Equivalent
