TREA

Jouko Perttula

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  • Hyvinkaa, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator brake
    • Patent number 4,805,741
    • Issue date Feb 21, 1989
    • Kone Elevator GmbH
    • Johannes de Jong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...