TREA

Yoshio Fujisaki

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  • Chiyoda, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Draft chamber
    • Patent number 4,976,815
    • Issue date Dec 11, 1990
    • Tadahiro; Ohmi
    • Yutaka Hiratsuka
    • H01 - BASIC ELECTRIC ELEMENTS