
Graphical symbols for electrical power, telecommunications and electronics diagrams. Guiding principles.
NORM herausgegeben am 15.2.1970
Designation standards: BS 3939:GUIDINGPRINCIPLES:1970
Note: UNGÜLTIG
Publication date standards: 15.2.1970
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS