BS 3939:Guiding principles:1970被替代
Graphical symbols for electrical power, telecommunications and electronics diagrams. Guiding principles
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 3939:Guiding principles:1970
發布時間：1970/2/15 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準備注
? British Standards Institution 2013
Replaces notes:
Replaces BS 108:1951, BS 530:1948 and Supplements 1-7 of BS 530.
Replaced by notes:
Replaced by Parts 1 to 13 of the new edition.
