TREA

Yuji Tsujita

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  • Shimizu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller of centrifugal blower
    • Patent number 4,647,271
    • Issue date Mar 3, 1987
    • Hitachi, Ltd.
    • Makoto Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...