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Priority claimed from PCT/US1990/000862external-prioritypatent/WO1991012465A1/en
Application filed by Mobil Oil CorpfiledCriticalMobil Oil Corp
Publication of FI923642ApublicationCriticalpatent/FI923642A/fi
Publication of FI923642A0publicationCriticalpatent/FI923642A0/fi