
Letter Symbols To Be Used In Electrical Technology - Part 1: General
出版:Asociacion Espanola de Normalizacion

专家解读视频
1995 [17/07/1995]
Supersedes UNE 20004-1. (06/2003)
IEC 60027-1 Ed. 6.0 - Identical
HD 245.1:1978 - Similar
HD 245.1 : 200S3 - Similar to
IEC 60027-1 : 6.0 - Identical
HD 245.1 : 200S3 - Similar to