Specification for construction and testing of miners´ caplamps in relation to the risk of explosion, for mines susceptible to firedamp.<
NORMA vydána dne 31.10.1991
Designation standards: BS EN 50033:1991
Note: NEPLATNÁ
Publication date standards: 31.10.1991
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategorie: Technické normy BS