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Priority claimed from US06/802,574external-prioritypatent/US4729761A/en
Application filed by Thomas C WhitefiledCriticalThomas C White
Priority claimed from EP19860309208external-prioritypatent/EP0228185B1/de
Application grantedgrantedCritical
Publication of ATE54815T1publicationCriticalpatent/ATE54815T1/de