NORMA vydána dne 16.5.1959
Designation standards: ČSN 232821
Classification mark: 232821
Catalog number: 1730
Note: NEPLATNÁ
Publication date standards: 16.5.1959
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN