BS 77:1921

Voltages for new systems and installations.

NORMA vydána dne 7.3.1932

The information about the standard:

Designation standards: BS 77:1921
Note: NEPLATNÁ
Publication date standards: 7.3.1932
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS