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Sanwa Kizai Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete leveling apparatus
    • Patent number 5,190,396
    • Issue date Mar 2, 1993
    • Takenaka Corporation
    • Hayao Aoyagi
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Concrete floor finishing machine
    • Patent number 4,775,306
    • Issue date Oct 4, 1988
    • Kabushiki Kaisha Takenaka Koumuten
    • Kimio Kikuchi
    • E04 - BUILDING

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