Verton & Wellensiek

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  • Bonn-Bad Godesberg, DT

Patents Grantslast 30 patents

  • Information Patent Grant

    Water-permeable floor covering boards

    • Patent number 3,978,263
    • Issue date Aug 31, 1976
    • Verton & Wellensiek
    • Gunther Wellensiek
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...