TREA

Dirk Meyer

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  • Frankfurt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphating process
    • Patent number 5,135,583
    • Issue date Aug 4, 1992
    • Metallgesellschaft Aktiengesellschaft
    • Horst Gehmecker
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...