
Machines for underground mines. Safety requirements for hydraulic powered roof supports. Part 1: Support units and general requiremetns.
NORMA vydána dne 31.1.2003
Designation standards: UNE-EN 1804-1:2003
Note: NEPLATNÁ
Publication date standards: 31.1.2003
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE