TREA

Jurgen Brueggemann

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  • Chur, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Corrugated pipe
    • Patent number 6,021,816
    • Issue date Feb 8, 2000
    • Ems-Inventa AG
    • Thomas Jeltsch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...