Round charts for recording instruments. Principal dimensions and workmanship
STANDARD published on 1.3.1964
Designation standards: STN 250991
Classification mark: 250991
Catalog number: 55862
Publication date standards: 1.3.1964
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN