Mining equipment. Protection against mechanically originated ignition sparks at device. Testing methods
NORM herausgegeben am 21.9.1990
Designation standards: ČSN 832066
Classification mark: 832066
Catalog number: 31773
Note: UNGÜLTIG
Publication date standards: 21.9.1990
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN