https://www.gea.com/nl/products/pumps-valves-flow-components/powder-valves-airlocks/
Powder valves and airlocks with an extensive range of both standard and customized options to meet the varied application requirements.
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https://www.nasa.gov/missions/station/iss-research/hearts-airlocks-and-asteroids-new-research-flies-on-21st-spacex-cargo-mission/
The first upgraded version of SpaceX's Dragon cargo spacecraft carried science and technology demonstrations like meteorites, heart cells, and airlocks
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