ČSN 830520-21 (830520)

NORMA vydaná dňa 31.5.1976

The information about the standard:

Designation standards: ČSN 830520-21
Classification mark: 830520
Catalog number: 5850
Note: NEPLATNÁ
Publication date standards: 31.5.1976
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Kategória: Technické normy ČSN