BS 505:1939

Road traffic control (electric) light signals.

NORMA vydaná dňa 1.4.1947

The information about the standard:

Designation standards: BS 505:1939
Note: NEPLATNÁ
Publication date standards: 1.4.1947
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS