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Priority claimed from US06/366,961external-prioritypatent/US4544101A/en
Priority claimed from US06/366,965external-prioritypatent/US4544102A/en
Application filed by William F HahnfiledCriticalWilliam F Hahn
Priority claimed from EP19830302020external-prioritypatent/EP0094741B1/de
Application grantedgrantedCritical
Publication of ATE50170T1publicationCriticalpatent/ATE50170T1/de