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Buildings, groups of buildings, or shelters, adapted to withstand or provide protection against, abnormal external influences, e.g. war-like action, earthquake, extreme climate (floating buildings
B 63 B; foundation aspects E 02 D; building constructions in general E 04 B; bearings or like supports allowing movement E 04 B 1/36; special details regarding insulation or other protection E 04 B 1/62; supporting structures for endangered or damaged existing buildings or parts thereof E 04 G 23/04; doors, windows E 06 B 5/00; air-conditioning, ventilation
F 24 F; camouflage F 41 H 3/00; cells or rooms shielded against dangerous radiation G 21 F 7/00) |
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