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Filing date
Publication date
Priority claimed from GB246/69Aexternal-prioritypatent/GB1268191A/en
Priority claimed from DK141269Aexternal-prioritypatent/DK133151C/en
Application filed by Ici LtdfiledCriticalIci Ltd
Publication of DK133101BpublicationCriticalpatent/DK133101B/en
Application grantedgrantedCritical
Publication of DK133101CpublicationCriticalpatent/DK133101C/en