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Priority claimed from US07/398,813external-prioritypatent/US4935903A/en
Application filed by Halliburton Geophys ServicefiledCriticalHalliburton Geophys Service
Publication of NO900954D0publicationCriticalpatent/NO900954D0/no
Publication of NO900954LpublicationCriticalpatent/NO900954L/no