Standard
[WITHDRAWN]
DIN 21638:1999-05
Air regulation systems in mining - Wing air locks for travelling tracks - Double-wing type doors with pressure reduction
German title
Wetterbauwerke für den Bergbau - Flügeltüren für den Fahrweg - Druckentlastete zweiflügelige Wettertüren
Publication date
1999-05
Original language
German
Pages
5
Publication date
1999-05
Original language
German
Pages
5
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