NFC 26 131:1981被替代
Solid Insulating Materials. Pressboard And Newspaper. General Requirements
出版：Association Francaise de Normalisation
专家解读视频
81
IEC 60641-1 Ed. 2.0 - Identical
IEC 60641-2 Ed. 2.0 - Identical
HD 410.1:1980 - Identical
HD 410.2:1980 - Identical
HD 410.1 : 200S1 - Identical
HD 410.2 : 200S1 - Identical
IEC 60641-2 : 2.0 - Identical
IEC 60641-1 : 2.0 - Identical
HD 410.1 : 200S1 - Identical
HD 410.2 : 200S1 - Identical
