The control and drawing sets. The rulers with the askanced edge
STANDARD published on 30.3.1957
Designation standards: ČSN 255117
Classification mark: 255117
Catalog number: 2233
Note: WITHDRAWN
Publication date standards: 30.3.1957
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN