BS 1618:1949

Camera lenses and lens attachments (dimensions and screw threads).

NORMA vydaná dňa 21.12.1949

The information about the standard:

Designation standards: BS 1618:1949
Note: NEPLATNÁ
Publication date standards: 21.12.1949
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS