TREA

Tatuhiko Watanabe

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  • Fukushima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing apparatus
    • Patent number 6,209,879
    • Issue date Apr 3, 2001
    • Eagle Industry Co., Ltd.
    • Koichi Mizunoya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...