
Graphical symbols for electrical power, telecommunications and electronics diagrams. Switchgear, controlgear and protective devices.
STANDARD published on 28.6.1985
Designation standards: BS 3939-7:1985
Note: WITHDRAWN
Publication date standards: 28.6.1985
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: British technical standard
Category: Technical standards BS