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Priority claimed from GB19327/76Aexternal-prioritypatent/GB1524747A/en
Application filed by Ici PlcfiledCriticalIci Plc
Publication of FI830601A0publicationCriticalpatent/FI830601A0/fi
Publication of FI830601LpublicationCriticalpatent/FI830601L/fi
Application grantedgrantedCritical
Publication of FI75579BpublicationCriticalpatent/FI75579B/fi
Publication of FI75579CpublicationCriticalpatent/FI75579C/fi