Objective lenses. Methods for measurement the diameter of the entrance pupil
NORMA vydaná dňa 1.1.1982
Designation standards: GOST 20828-81
Note: NEPLATNÁ
Publication date standards: 1.1.1982
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST