BS 90:1940

Graphic (recording or chart-recording) ammeters, voltmeters, wattmeters, power factor meters and frequency meters..

NORMA vydána dne 26.8.1940

The information about the standard:

Designation standards: BS 90:1940
Note: NEPLATNÁ
Publication date standards: 26.8.1940
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS