TREA

Polymer Processing Research Instr., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Web spreading apparatus
    • Patent number 5,729,878
    • Issue date Mar 24, 1998
    • Nippon Petrochemicals Company, Limited
    • Kazuhiko Kurihara
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL