TREA

Mitsuo Munakata

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator control system
    • Patent number 4,958,707
    • Issue date Sep 25, 1990
    • Hitachi, Ltd.
    • Kenzi Yoneda
    • B66 - HOISTING LIFTING HAULING