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Dietrich Böttger

VI Varco I/P: 1 patents #91 of 168Top 55%
📍 Den Helder, NL: #9 of 30 inventorsTop 30%
Overall (All Time): #3,504,189 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6527493 Handling of tube sections in a rig for subsoil drilling Herman M. Kamphorst, Gustaaf Louis van Wechem 2003-03-04