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Priority claimed from US08/215,436external-prioritypatent/US5538659A/en
Application filed by E.I.Du Pont De Nemours And CompanyfiledCriticalE.I.Du Pont De Nemours And Company
Publication of HK1008965A1publicationCriticalpatent/HK1008965A1/zh
Publication of HK1008965BpublicationCriticalpatent/HK1008965B/zh