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Priority claimed from US08/049,065external-prioritypatent/US5643909A/en
Application filed by Syntex (U.S.A.) Inc.filedCriticalSyntex (U.S.A.) Inc.
Publication of HK1011981A1publicationCriticalpatent/HK1011981A1/zh
Publication of HK1011981BpublicationCriticalpatent/HK1011981B/zh