TREA

Masamitsu Tsukada

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,554,202
    • Issue date Nov 19, 1985
    • Showa Denko Kabushiki Kaisha
    • Ryosuke Kamei
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL