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Priority claimed from US00080424Aexternal-prioritypatent/US3853753A/en
Application filed by Amoco Prod CofiledCriticalAmoco Prod Co
Priority to NO742932ApriorityCriticalpatent/NO136354C/no
Priority to NO751172Aprioritypatent/NO136355C/no
Publication of NO132531BpublicationCriticalpatent/NO132531B/no
Publication of NO132531CpublicationCriticalpatent/NO132531C/no