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Air regulation systems in mining - Wing air doors for haulage tracks - Double-wing type doors with pressure reduction.
STANDARD published on 1.10.1995
Designation standards: DIN 21637:1995-10
Note: WITHDRAWN
Publication date standards: 1.10.1995
SKU: NS-190782
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: German technical standard
Category: Technical standards DIN
Wetterbauwerke für den Bergbau - Flügeltüren für den Förderweg - Druckentlastete zweiflügelige Wettertüren.
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