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 DE2702299Aexternal-prioritypatent/DE2702299C3/de
Application filed by Ellenberger & PoensgenfiledCriticalEllenberger & Poensgen
Publication of IT7819411A0publicationCriticalpatent/IT7819411A0/it
Application grantedgrantedCritical
Publication of IT1092508BpublicationCriticalpatent/IT1092508B/it