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Priority claimed from DE2615229Aexternal-prioritypatent/DE2615229C2/en
Application filed by Hoechst AgfiledCriticalHoechst Ag
Publication of DK401983D0publicationCriticalpatent/DK401983D0/en
Publication of DK401983ApublicationCriticalpatent/DK401983A/en
Publication of DK149632BpublicationCriticalpatent/DK149632B/en
Application grantedgrantedCritical
Publication of DK149632CpublicationCriticalpatent/DK149632C/en