BS 90:1929

Graphic (recording or chart--recording) ammeters, voltmeters, wattmeters..

NORMA vydána dne 1.5.1929

The information about the standard:

Designation standards: BS 90:1929
Note: NEPLATNÁ
Publication date standards: 1.5.1929
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS