
Graphical symbols for electrical power, telecommunications and electronics diagrams. Measuring instruments and electric clocks.
NORM herausgegeben am 30.4.1975
Designation standards: BS 3939SECTION9:1967
Note: UNGÜLTIG
Publication date standards: 30.4.1975
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS