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| Patents for A62B 11 - Devices for reconditioning breathing air in sealed rooms (212) |
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| 01/26/1983 | EP0070317A1 Life support system and method of providing fresh air to enclosed areas. | | 12/22/1982 | EP0067422A2 Movable extraction unit for dust, clouds of paint particles and the like | | 08/05/1982 | WO1982002492A1 Life support system and method of providing fresh air to enclosed areas | | 11/24/1981 | CA1112980A1 Vaults and strongrooms | | 07/22/1980 | US4213769 Energy transfer and air purifying devices | | 11/20/1979 | US4174711 Fire resistant enclosure | | 07/17/1979 | CA1058383A1 Endothermal carbon dioxide absorption | | 05/16/1978 | US4089655 Air purification system | | 01/03/1978 | US4066076 Rebreathable gas mixing and control device | | 09/06/1977 | US4046529 Carbon dioxide | | 05/18/1976 | US3957948 Carbon dioxide | | 03/30/1976 | US3946645 Protective air lock |
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