TREA

Ernst Geider

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  • St-Sulpice, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Extrusion head with color-changing device
    • Patent number 5,773,037
    • Issue date Jun 30, 1998
    • Nokia-Maillefer Holding S.A.
    • Ernst Geider
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL