BS 667:1936

Photoelectric type portable photometers.

NORMA vydaná dňa 30.3.1936

The information about the standard:

Designation standards: BS 667:1936
Note: NEPLATNÁ
Publication date standards: 30.3.1936
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS