TREA

Tokyo Shutter Co., Ltd.

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  • Fukui, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing devices for doors
    • Patent number 5,237,776
    • Issue date Aug 24, 1993
    • Tokyo Shutter Co., Ltd.
    • Kenichi Kubota
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS