Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19833340456external-prioritypatent/DE3340456A1/de
Priority claimed from DE19848419285external-prioritypatent/DE8419285U1/de
Application filed by Muellers & Backhaus KgfiledCriticalMuellers & Backhaus Kg
Priority claimed from EP84112639Aexternal-prioritypatent/EP0142721B1/de
Application grantedgrantedCritical
Publication of ATE41725T1publicationCriticalpatent/ATE41725T1/de