TREA

Jorg Hieke

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  • Eschborn, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of phosphating metal surfaces
    • Patent number 5,039,361
    • Issue date Aug 13, 1991
    • Metallgesellschaft Aktiengesellschaft
    • Dieter Hauffe
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents