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NA National Oilwell Norway As: 1 patents #6 of 16Top 40%
Overall (All Time): #3,377,923 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7176795 Method and a device for protection of personnel Sigve Sandvik 2007-02-13