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Power assisted air gates - Travel-way air locks - Type doors with pressure.
STANDARD published on 1.9.1999
Designation standards: DIN 21639:1999-09
Note: WITHDRAWN
Publication date standards: 1.9.1999
SKU: NS-190788
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: German technical standard
Category: Technical standards DIN
Wetterbauwerke für den Bergbau - Fahrwegschleusen - Druckentlastete Wettertüren.
Latest update: 2024-07-15 (Number of items: 2 330 983)
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