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Priority claimed from US06/201,745external-prioritypatent/US4411925A/en
Priority claimed from YU138/81Aexternal-prioritypatent/YU44817B/en
Application filed by PfizerfiledCriticalPfizer
Publication of YU169683ApublicationCriticalpatent/YU169683A/en
Publication of YU44681BpublicationCriticalpatent/YU44681B/en