BS 447:1932

Graphical symbols for use in connection with interior electrical installation.

NORMA vydána dne 1.1.1932

The information about the standard:

Designation standards: BS 447:1932
Note: NEPLATNÁ
Publication date standards: 1.1.1932
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS