
SPECIFICATION FOR INDUSTRIAL LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR TERMINAL APERTURE SIZES FOR UNPREPARED ROUND COPPER CONDUCTORS
出版:British Standards Institution

专家解读视频
NFC 63 062 : 1980 - Identical
EN 50027 : 1979 - Identical
NFC 63 062 : 1980 - Identical
EN 50027 : 1979 - Identical