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Patents Grants
last 30 patents
Information
Patent Grant
Elevator apparatus
Patent number
4,982,815
Issue date
Jan 8, 1991
Hitachi, Ltd.
Noboru Arabori
B60 - VEHICLES IN GENERAL
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Patent Grant
Apparatus for detecting a position of a cage in a hydraulic elevator
Patent number
4,756,389
Issue date
Jul 12, 1988
Hitachi, Ltd.
Kazuhiro Sakata
B66 - HOISTING LIFTING HAULING