B
SECTION B — PERFORMING OPERATIONS
  
TRANSPORTING
 B63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
 B63B
SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (air-cushion vehicles B60V; arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J 2/00)  [2]

 B63C
LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS

 B63G
OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS (means of attack or defence in general, e.g. turrets, F41H)

 B63H
MARINE PROPULSION OR STEERING (peculiar to submarines, other than nuclear propulsion, B63G; peculiar to torpedoes F42B)

 B63J
AUXILIARIES ON VESSELS
 B63J

Note(s)

The term "auxiliaries" in this sub-class means only apparatus specially arranged for rendering vessels, in general, habitable or operative, in so far as such apparatus is not specifically provided for in another sub-class of class B63.