TREA

Roger Migchielsen

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  • Ennepetal, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door closer
    • Patent number 6,421,876
    • Issue date Jul 23, 2002
    • DORMA GmbH + Co. KG
    • Olaf Ginzel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES