The control and drawing sets. The flat angles 120 degree
NORM herausgegeben am 30.3.1957
Designation standards: ČSN 255145
Classification mark: 255145
Catalog number: 2235
Publication date standards: 30.3.1957
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN