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Tomomi Kato

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  • Mie, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter screen changer for resin extruder
    • Patent number 5,603,828
    • Issue date Feb 18, 1997
    • The Japan Steel Works, Ltd.
    • Yasuhiko Ishida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL