Auxiliary ventilation for mining - Sheet steel reducers with flange and shoulder.
NORMA vydána dne 1.10.2009
Designation standards: DIN 21615:2009-10
Publication date standards: 1.10.2009
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Sonderbewetterung im Bergbau - Übergangsstücke aus Stahlblech - Flansch-Wulst.