|  | 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 Fulltext... Hierarchy... Expanded...B60V)

|  | 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 Fulltext... Hierarchy... Expanded...F41H)

|  | B63H |
MARINE PROPULSION OR STEERING (peculiar to submarines, other than nuclear propulsion, Fulltext... Hierarchy... Expanded...B63G; peculiar to torpedoes Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B63.