
Machines for underground mines. Safety requirements for hydraulic powered roof supports. Support units and general requirements.
NORMA vydána dne 31.1.2021
Designation standards: BS EN 1804-1:2020
Publication date standards: 31.1.2021
The number of pages: 54
Approximate weight : 162 g (0.36 lbs)
Country: British technical standard
Kategorie: Technické normy BS
ISBN: 978 0 539 02208 7 Status: Definitive