The control and drawing sets. The steel rulers, angles and triangles. The common regulations
NORM herausgegeben am 30.3.1957
Designation standards: ČSN 255101
Classification mark: 255101
Catalog number: 2227
Publication date standards: 30.3.1957
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN