Hans-Joachim Frei

Person

  • 6486 Brachttal 3, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Solarium

    • Patent number 4,335,724
    • Issue date Jun 22, 1982
    • Hans-Joachim Frei
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE