Otto Wittenburg

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Halle-Neustadt, DL

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Patents Grantslast 30 patents

Information Patent Grant
Textile floor covering with bottom of thermoplastic foam and a meth...
- Patent number 3,975,562
- Issue date Aug 17, 1976
- VEB Leuna-Werke "Walter Ulbricht"
- Karl-Heinz Madebach
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...