

专家解读视频
S1
Will be implemented as a British Standard to supersedes BS 3941: 1975 which is proposed for obsolescence (DEC '92)
CEI 38-2 Ed. 3 (1998) - Identical
NEN 10186:1994 - Identical
VDE 0414-2:1999 - Identical
BS 7625:1993 - Equivalent
IEC 60186 Ed. 2.0 - Similar
UNE 21088-2:1995 - Identical