TREA

Raul L'Orange

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  • Mainz, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cleaning agents for dentures
    • Patent number 4,181,621
    • Issue date Jan 1, 1980
    • Blendax-Werke R. Schneider & Co.
    • Helmut Raaf
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...