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Priority claimed from US07/290,936external-prioritypatent/US5102851A/en
Priority claimed from SU904831492Aexternal-prioritypatent/RU2024297C1/en
Application filed by Norske Stats OljeselskapfiledCriticalNorske Stats Oljeselskap
Publication of LV5589A3publicationCriticalpatent/LV5589A3/en