Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements
NORM herausgegeben am 1.8.2007
Designation standards: ČSN EN 1804-1
Classification mark: 444421
Catalog number: 79043
Note: UNGÜLTIG
Publication date standards: 1.8.2007
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN