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Priority claimed from JP6635381Aexternal-prioritypatent/JPS57183341A/ja
Priority claimed from DE19813137265external-prioritypatent/DE3137265A1/de
Application filed by Egon TurbafiledCriticalEgon Turba
Priority claimed from EP82103723Aexternal-prioritypatent/EP0066099B1/de
Application grantedgrantedCritical
Publication of ATE20925T1publicationCriticalpatent/ATE20925T1/de