ČSN 331550 (331550)

Electrotechnical and engineering regulations. Preventive maintenance on mine explosionproof electrical devices

NORM herausgegeben am 29.8.1990

The information about the standard:

Designation standards: ČSN 331550
Classification mark: 331550
Catalog number: 23348
Note: UNGÜLTIG
Publication date standards: 29.8.1990
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN