BS 4095:1970

Methods for the determination of photographic flash light output and guide numbers.

NORMA vydaná dňa 1.1.1970

The information about the standard:

Designation standards: BS 4095:1970
Note: NEPLATNÁ
Publication date standards: 1.1.1970
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS