HD 245.4 : 200S1被替代
LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - SYMBOLS OF QUANTITIES TO BE USED FOR ROTATING ELECTRICAL MACHINES
出版：Harmonization Documents
专家解读视频
UTEC 03 004 : 1986 - Identical
CEI 24-2 : 1ED 1997 - Identical
IEC 274 : 1968 - Identical
UNE 21405-4 : 1995 - Similar to
NEN 10027-4 : 1986 - Identical
UNE 21405-4 : 1995 - Similar to
UTEC 03 004 : 1986 - Identical
NEN 10027-4 : 1986 - Identical
IEC 60027-4 : 2.0 - Identical
CEI 24-2 : 1ED 1997 - Identical
