The control and drawing sets. The steel rulers, angles, triangles - the survey
STANDARD published on 30.3.1957
Designation standards: ČSN 255100
Classification mark: 255100
Catalog number: 2226
Publication date standards: 30.3.1957
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN