The control and drawing sets. The primary plates, prisms, drawing pads and supports - the survey
STANDARD published on 26.6.1956
Designation standards: ČSN 255500
Classification mark: 255500
Catalog number: 2250
Publication date standards: 26.6.1956
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN