TREA

Gunter Schreyer

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  • Darmstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-walled shaped plastic articles
    • Patent number 4,188,425
    • Issue date Feb 12, 1980
    • Rohm GmbH
    • Friedrich Hanstein
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL