Atsushi Hotta

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Guide rail lubricating device for elevator, and case and oil-retain...
- Patent number 6,098,756
- Issue date Aug 8, 2000
- Hitachi Building Systems Co., Ltd.
- Nobumichi Shigetomi
- B66 - HOISTING LIFTING HAULING