BS 230:1925

Portable photometers.

NORMA vydaná dňa 17.9.1925

The information about the standard:

Designation standards: BS 230:1925
Note: NEPLATNÁ
Publication date standards: 17.9.1925
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS