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CPC Subgroup
E02C 1/06

Devices for filling or emptying locks (in lock gates E02B7/20 )

Full Title

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 )