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Priority claimed from DE19803019550external-prioritypatent/DE3019550A1/de
Priority claimed from DE19813115172external-prioritypatent/DE3115172A1/de
Application filed by Gubela Hans ErichfiledCriticalGubela Hans Erich
Priority claimed from EP81103907Aexternal-prioritypatent/EP0040821B1/de
Application grantedgrantedCritical
Publication of ATE37806T1publicationCriticalpatent/ATE37806T1/de