TREA

Ryoichi Totsuka

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  • Dusseldorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Time display apparatus
    • Patent number 5,694,378
    • Issue date Dec 2, 1997
    • Taiyo Musikinstrumente GmbH
    • Ryoichi Totsuka
    • G04 - HOROLOGY

Patents Applicationslast 30 patents