
GRAPHICAL SYMBOLS FOR DIAGRAMS - SWITCHGEAR, CONTROLGEAR AND PROTECTIVE DEVICES
出版:International Electrotechnical Committee

专家解读视频
Recommends graphical symbols, with definitions, for controlgear, switchgear and protective devices for use in telecommunications, electrical power and electronic diagrams.
UNE 21404-7 : 1995 - Identical
CEI EN 60617-7 : 2ED 1998 - Identical
NEN 10617-7 : 1996 - Identical
SAC GB/T 4728.7 : 2008 - Identical
NZS/IEC 617.7:1983 - Identical