Jan Persson

Person

  • Finspong, SW

Patents Grantslast 30 patents

  • Information Patent Grant

    Disk valve

    • Patent number 3,949,776
    • Issue date Apr 13, 1976
    • Stal-Laval Turbin AB
    • Jan Persson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...