The control and drawing sets. The precision of the scale plates and prisms
NORM herausgegeben am 26.6.1956
Designation standards: ČSN 255502
Classification mark: 255502
Catalog number: 2251
Publication date standards: 26.6.1956
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN