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Priority claimed from DE3235302Aexternal-prioritypatent/DE3235302C2/de
Priority claimed from DE3235301Aexternal-prioritypatent/DE3235301C2/de
Application filed by Rud Ketten Rieger & DietzfiledCriticalRud Ketten Rieger & Dietz
Priority claimed from EP83730089Aexternal-prioritypatent/EP0105022B1/de
Application grantedgrantedCritical
Publication of ATE39981T1publicationCriticalpatent/ATE39981T1/de