Rolf Bjerk y

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Melsomvik, NO

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Patents Grantslast 30 patents

Information Patent Grant
Angular member for seismic cables towed by a vessel
- Patent number 4,756,268
- Issue date Jul 12, 1988
- Geco A.S.
- Einar Gjestrum
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT