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Standard [WITHDRAWN]

DIN 21631:1993-01

Air regulating systems in mining; wing air doors for travelling tracks; air doors without pressure reduction

German title
Wetterbauwerke im Bergbau; Flügeltüren für den Fahrweg; Nicht druckentlastete Wettertüren
Publication date
1993-01
Original language
German
Pages
8

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Publication date
1993-01
Original language
German
Pages
8

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Replacement amendments

This document replaces DIN 21631:1975-09 .

This document has been replaced by: DIN 21631:2011-03 .

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