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Publication date
Priority claimed from US06/369,209external-prioritypatent/US4509604A/en
Publication of NO902009LpublicationCriticalpatent/NO902009L/no
Application filed by Schlumberger Technology CorpfiledCriticalSchlumberger Technology Corp
Priority to NO902009ApriorityCriticalpatent/NO179756C/no
Publication of NO902009D0publicationCriticalpatent/NO902009D0/no
Publication of NO179756BpublicationCriticalpatent/NO179756B/no
Publication of NO179756CpublicationCriticalpatent/NO179756C/no