DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING (specially adapted for use in water Fulltext... Hierarchy... Expanded...B63C 9/00; divers' equipment Fulltext... Hierarchy... Expanded...B63C 11/00; specially adapted for use with aircraft, e.g. parachutes, ejector seats, Fulltext... Hierarchy... Expanded...B64D; rescue devices peculiar to mining Fulltext... Hierarchy... Expanded...E21F 11/00) |