TREA

Expandi Systems AB

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  • Nordmaling, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement at self expanding booms
    • Patent number 5,860,252
    • Issue date Jan 19, 1999
    • Expandi Systems AB
    • Per Olof Oberg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Arrangement for a boom
    • Patent number 5,711,634
    • Issue date Jan 27, 1998
    • Expandi Systems AB
    • Per Olof Oberg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Arrangement for a boom
    • Patent number 5,511,906
    • Issue date Apr 30, 1996
    • Expandi Systems AB
    • Per O. Oberg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING