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Mitsumi Wakoh

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll mixing machine and method
    • Patent number 5,333,951
    • Issue date Aug 2, 1994
    • Toyo Sekkei Co., Ltd.
    • Mitsumi Wakoh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL