UNE 22805:1992

MINING VOCABULARY. UNDERGROUND MINING. VENTILATION REGULATION.

NORMA vydaná dňa 9.7.1992

The information about the standard:

Designation standards: UNE 22805:1992
Publication date standards: 9.7.1992
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE