| More topics under "E02C - Ship-lifting devices or mechanisms" (506) |
|---|
| E02C 1 - Locks; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass (259) |
| E02C 3 - Inclined-plane ship-lifting mechanisms (64) |
| E02C 5 - Mechanisms for lifting ships vertically (183) |