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Priority claimed from GB858517383Aexternal-prioritypatent/GB8517383D0/en
Application filed by Stanport LimitedfiledCriticalStanport Limited
Priority claimed from PCT/GB1986/000390external-prioritypatent/WO1987000150A1/en
Application grantedgrantedCritical
Publication of ATE48261T1publicationCriticalpatent/ATE48261T1/de