
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements
NORMA vydána dne 10.11.2021
Designation standards: UNE-EN 1804-1:2021
Publication date standards: 10.11.2021
The number of pages: 53
Approximate weight : 159 g (0.35 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE