TREA

Graboplast

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  • Gyoer, HU
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  • Information Patent Grant

    Coated composite material for lining passages
    • Patent number 4,521,465
    • Issue date Jun 4, 1985
    • Bayer Aktiengesellschaft
    • Walter Schroer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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