TREA

Vladimir Marek

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  • Ceske Budejovice, CS
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pencil sheath and composition therefor
    • Patent number 4,176,978
    • Issue date Dec 4, 1979
    • Jan Ruzicka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL