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Priority claimed from DE19863638359external-prioritypatent/DE3638359A1/en
Priority claimed from DE3723662Aexternal-prioritypatent/DE3723662C2/en
Priority claimed from DE3725604Aexternal-prioritypatent/DE3725604C2/en
Application filed by Norbert Schipke, Ruf HermannfiledCriticalNorbert Schipke
Priority claimed from EP87116380Aexternal-prioritypatent/EP0267546B1/en
Application grantedgrantedCritical
Publication of ATE90864T1publicationCriticalpatent/ATE90864T1/en