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Priority claimed from PCT/US1990/000861external-prioritypatent/WO1991012464A1/en
Application filed by Mobil Oil CorpfiledCriticalMobil Oil Corp
Publication of FI923641A0publicationCriticalpatent/FI923641A0/fi
Publication of FI923641ApublicationCriticalpatent/FI923641A/fi