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Priority claimed from GB858511856Aexternal-prioritypatent/GB8511856D0/en
Priority claimed from GB858514114Aexternal-prioritypatent/GB8514114D0/en
Application filed by Ramforce LtdfiledCriticalRamforce Ltd
Priority claimed from EP86902872Aexternal-prioritypatent/EP0221944B1/de
Application grantedgrantedCritical
Publication of ATE52208T1publicationCriticalpatent/ATE52208T1/de