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Priority claimed from US05/825,525external-prioritypatent/US4146677A/en
Priority claimed from FI782518Aexternal-prioritypatent/FI67687C/fi
Application filed by PfizerfiledCriticalPfizer
Publication of FI841878ApublicationCriticalpatent/FI841878A/fi
Publication of FI841878A0publicationCriticalpatent/FI841878A0/fi