Erich Ruf

Person

  • Frankfurt, DE

Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 5,309,607
    • Issue date May 10, 1994
    • Rasmussen GmbH
    • Ralf Hohmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...