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Akihiko Nagai

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum deaeration device
    • Patent number 6,755,899
    • Issue date Jun 29, 2004
    • Erc, Inc.
    • Akihiko Nagai
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Vacuum deaeration device
    • Publication number 20010052290
    • Publication date Dec 20, 2001
    • ERC., INC.
    • Akihiko Nagai
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL