BS 90:1919

Recording (graphic) ammeters, voltmeters and wattmeters.

NORM herausgegeben am 11.7.1919

The information about the standard:

Designation standards: BS 90:1919
Note: UNGÜLTIG
Publication date standards: 11.7.1919
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS