BS 230:1935

Portable photometers (visual type).

NORMA vydaná dňa 1.8.1940

The information about the standard:

Designation standards: BS 230:1935
Note: NEPLATNÁ
Publication date standards: 1.8.1940
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS