TREA

Hans Christian Sand

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  • S.o slashed.nderborg, DK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic valve
    • Patent number 6,167,904
    • Issue date Jan 2, 2001
    • Danfoss A/S
    • Helge B. Nielsen
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Hydraulic valve
    • Patent number 5,996,967
    • Issue date Dec 7, 1999
    • Danfoss A/S
    • Helge B. Nielsen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...