IEC 60417G : 1985被替代
GRAPHICAL SYMBOLS TO BE USED ON EQUIPMENT INDEX - SURVEY AND COMPILATION ON THE SINGLE SHEETS - SEVENTH SUPPLEMENT
出版：International Electrotechnical Committee
专家解读视频
Includes an updated index and survey of all symbols as well as more than 140 new sheets dealing with earth symbols, telecommunication and medical equipment.
BS 6217(1981) : 1981 - Identical
DIN 40101-1 : 1991 - Identical
DIN 40100-22 : 84 DRAFT 89 - Corresponds
BS 6217(1981) : 1981 - Identical
DIN 30603 : 1985 - Identical
DIN 32520-4 : 1986 - Similar to
