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Lenses. F-numbers
STANDARD published on 17.12.1969
Designation standards: ČSN 190025
Classification mark: 190025
Catalog number: 1067
Publication date standards: 17.12.1969
SKU: NS-119882
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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