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 DE3022984Aexternal-prioritypatent/DE3022984C2/en
Application filed by Beck August Gmbh CofiledCriticalBeck August Gmbh Co
Publication of IT8160388V0publicationCriticalpatent/IT8160388V0/en