TREA

Kazuyoshi Iatagaki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vibration damping material of asphalt cement
    • Patent number 5,324,758
    • Issue date Jun 28, 1994
    • Sohwa Shell Sekiyu Kabushiki Kaisha
    • Masaaki Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...