NORMA vydána dne 28.12.1963
Designation standards: ČSN 012820
Classification mark: 012820
Catalog number: 43
Note: NEPLATNÁ
Publication date standards: 28.12.1963
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN