TREA

Johannes Tetzner

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  • Bremen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,607,661
    • Issue date Aug 26, 1986
    • Gestra Aktiengesellschaft
    • Lur Wessels
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...