ČSN 640251 (640251)

NORMA vydána dne 21.1.1954

The information about the standard:

Designation standards: ČSN 640251
Classification mark: 640251
Catalog number: 4682
Note: NEPLATNÁ
Publication date standards: 21.1.1954
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN