TREA

Tatsuo Saito

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gate valve
    • Patent number 6,966,538
    • Issue date Nov 22, 2005
    • Irie Koken Co., Ltd.
    • Yuzo Hayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Gate valve
    • Publication number 20050092953
    • Publication date May 5, 2005
    • Yuzo Hayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...