
Indicating ammeters, voltmeters wattmeters, frequency and power-factor meters.
NORM herausgegeben am 8.4.1929
Designation standards: BS 89:1929
Note: UNGÜLTIG
Publication date standards: 8.4.1929
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS