ČSN 190020 (190020)

Focal distances of photographic enlarging and projecting lenses

STANDARD published on 21.8.1985

The information about the standard:

Designation standards: ČSN 190020
Classification mark: 190020
Catalog number: 25329
Publication date standards: 21.8.1985
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN