NORMA vydána dne 30.1.1959
Designation standards: ČSN 237220
Classification mark: 237220
Catalog number: 1744
Note: NEPLATNÁ
Publication date standards: 30.1.1959
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN