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Priority claimed from US07/250,258external-prioritypatent/US4981679A/en
Application filed by Health Foundation LimitedfiledCriticalHealth Foundation Limited
Priority claimed from EP89911273Aexternal-prioritypatent/EP0436631B1/de
Application grantedgrantedCritical
Publication of ATE91889T1publicationCriticalpatent/ATE91889T1/de