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Priority claimed from GB838320902Aexternal-prioritypatent/GB8320902D0/en
Priority claimed from GB848403926Aexternal-prioritypatent/GB8403926D0/en
Application filed by Desert SystemsfiledCriticalDesert Systems
Priority claimed from EP84305053Aexternal-prioritypatent/EP0134097B1/de
Application grantedgrantedCritical
Publication of ATE59075T1publicationCriticalpatent/ATE59075T1/de