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ČSN 190025 (190025)

Lenses. F-numbers

STANDARD published on 17.12.1969

Czech -
Print design (2.60 USD)

The information about the standard:

Designation standards: ČSN 190025
Classification mark: 190025
Catalog number: 1067
Publication date standards: 17.12.1969
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN