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Priority claimed from US06/669,300external-prioritypatent/US4652741A/en
Priority claimed from US06/669,299external-prioritypatent/US4672195A/en
Application filed by Spacelabs IncfiledCriticalSpacelabs Inc
Priority claimed from EP85114191Aexternal-prioritypatent/EP0181612B1/de
Application grantedgrantedCritical
Publication of ATE72490T1publicationCriticalpatent/ATE72490T1/de