OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE

B63G (continued) CPC - B63G - 2017.08 for buoys, including submersible buoys, B63C 9/00 provides for life-saving in water in general, B63C 11/00 provides for diving chambers or diving bells, and for divers' sleds, i.e. for craft on which a diver rides, B63H 21/00 provides for nuclear ship propulsion, including the propulsion of nuclear