Knut O. Haakonsen

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Billingstad, NO

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Patents Grantslast 30 patents

Information Patent Grant
Method of formation and installation of a floating bridge
- Patent number 5,216,773
- Issue date Jun 8, 1993
- Norwegian Contractors a.s.
- Knut O. Haakonsen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES