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AbstractAbstract
[en] A portable enclosure is provided for use, for example, as an emergency operating theatre or shelter against radio-active dust. The enclosure incorporates an inlet valve and an outlet valve, including a filter to enable externally contaminated air to be filtered when passing into the enclosure and optionally a filter at the outlet of the enclosure. One or more wall portions are movable by hand to vary the volume of the enclosure in order to pass air through the inlet and outlet valves. (author)
Primary Subject
Source
14 Oct 1981; 4 p; GB PATENT DOCUMENT 2073280/A/
Record Type
Patent
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