Air-Filtration unit from a German bunker WWII
收藏Zenodo2026-05-25 更新2026-05-26 收录
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https://zenodo.org/doi/10.5281/zenodo.10262860
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Many German bunkers from WWII had these anti-gas air filtration systems installed that had to manually be operated to pump outside air through an air filter in to the bunker. The round pressure-valves in the walls can be found in most bunkers. These are called "uberdruckventil" and that basically means over-pressure-valve and would automatically let air out in case of overpressure inside the bunker.
Source: Objaverse 1.0 / Sketchfab
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Zenodo创建时间：
2023-12-28
