Superseded
Draft standard
Historical
DIN 21637:1994-04
Air regulation systems in mining; wing air doors for haulage tracks; double-wing type doors with pressure reduction
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Summary
Wetterbauwerke für den Bergbau; Flügeltüren für den Förderweg; druckentlastete zweiflügelige Wettertüren
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 04/01/1994 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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