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Priority claimed from US06/661,342external-prioritypatent/US4636318A/en
Application filed by David L BakerfiledCriticalDavid L Baker
Priority claimed from EP19850900399external-prioritypatent/EP0165305B1/de
Application grantedgrantedCritical
Publication of ATE58362T1publicationCriticalpatent/ATE58362T1/de