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Priority claimed from GB9419/63Aexternal-prioritypatent/GB992461A/en
Priority claimed from GB51191/63Aexternal-prioritypatent/GB992462A/en
Application filed by Ici LtdfiledCriticalIci Ltd
Application grantedgrantedCritical
Publication of DK106730CpublicationCriticalpatent/DK106730C/da