DIFF Subgroup
E02C 1/06 Devices for filling or emptying locks (in lock gates E02B7/20 )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Devices for filling or emptying locks
CPC: Devices for filling or emptying locks (in lock gates E02B7/20 )
Full Title
Full titles differ between systems:
IPC:
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 > Devices for filling or emptying locks
CPC:
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 (lock gates E02B7/20 ) > Devices for filling or emptying locks (in lock gates E02B7/20 )
No child classifications to compare. This is a leaf node in both IPC and CPC.