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Priority claimed from US12/277,825external-prioritypatent/US20110000672A1/en
Application filed by Baker Hughes IncfiledCriticalBaker Hughes Inc
Publication of ITTO20090900A1publicationCriticalpatent/ITTO20090900A1/en
Application grantedgrantedCritical
Publication of IT1397973B1publicationCriticalpatent/IT1397973B1/en