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Priority claimed from DE3828551Aexternal-prioritypatent/DE3828551C3/en
Priority claimed from PCT/US1989/003547external-prioritypatent/WO1990002359A1/en
Application filed by Du PontfiledCriticalDu Pont
Publication of DK31191D0publicationCriticalpatent/DK31191D0/en
Publication of DK31191ApublicationCriticalpatent/DK31191A/en