Reprography. Legibility test charts. Determination of the legibility limit
STANDARD published on 1.11.1987
Designation standards: STN 013820
Classification mark: 013820
Catalog number: 50405
Publication date standards: 1.11.1987
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Slovak technical standard
Category: Technical standards STN