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Priority claimed from DE19863618973external-prioritypatent/DE3618973A1/de
Priority claimed from DE3621380Aexternal-prioritypatent/DE3621380C2/de
Priority claimed from DE3708564Aexternal-prioritypatent/DE3708564C2/de
Application filed by Gudrun SchmidtfiledCriticalGudrun Schmidt
Priority claimed from EP87105016Aexternal-prioritypatent/EP0250731B1/de
Application grantedgrantedCritical
Publication of ATE50538T1publicationCriticalpatent/ATE50538T1/de