TREA

Rolf Lund

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Patents Grantslast 30 patents

  • Information Patent Grant

    Seal for a rotating shaft
    • Patent number 4,061,345
    • Issue date Dec 6, 1977
    • Oy E. Sarlin AB
    • Rolf Lund
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...