NORMA vydána dne 22.10.1956
Designation standards: ČSN 136640
Classification mark: 136640
Catalog number: 912
Note: NEPLATNÁ
Publication date standards: 22.10.1956
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN