NORMA vydána dne 12.4.1967
Designation standards: ČSN 250257
Classification mark: 250257
Catalog number: 1987
Note: NEPLATNÁ
Publication date standards: 12.4.1967
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN