BS 23:1933

Trolley and contact wire and trolley wheel groove for electric traction.

NORMA vydaná dňa 2.6.1946

The information about the standard:

Designation standards: BS 23:1933
Note: NEPLATNÁ
Publication date standards: 2.6.1946
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS