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Doris Frank-Voeglein

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  • Zwingenberg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dental spray handpiece
    • Patent number 4,619,612
    • Issue date Oct 28, 1986
    • Siemens Aktiengesellschaft
    • Walter Weber
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE