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Priority claimed from GB888815123Aexternal-prioritypatent/GB8815123D0/en
Priority claimed from GB888821906Aexternal-prioritypatent/GB8821906D0/en
Application filed by Mars G B Ltd, Watts Blake Bearne & Co LtdfiledCriticalMars G B Ltd
Priority claimed from EP89306427Aexternal-prioritypatent/EP0348241B1/en
Application grantedgrantedCritical
Publication of ATE94854T1publicationCriticalpatent/ATE94854T1/en