Ice removing attachment for a vehicle
Ice scraper
Idler construction for earth-moving elevator
Implement position indicator
Improved pump-type sludge dredging apparatus
In-line centrifugal pump
In-place underwater dredging apparatus of the crater sink type
Independent unit for the collection and upward transfer of nodul
Information signal recording and/or reproducing apparatus
Inshore submersible amphibious machines
Installation for shifting won minerals