UNE 22804:1992

MINING VOCABULARY. UNDERGROUND MINING. VENTILATION.

NORMA vydaná dňa 9.7.1992

The information about the standard:

Designation standards: UNE 22804:1992
Publication date standards: 9.7.1992
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE