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
Application filed by Elsbett L, Elsbett G, Klaus ElsbettfiledCriticalElsbett L
Priority claimed from EP89908691Aexternal-prioritypatent/EP0483134B1/de
Application grantedgrantedCritical
Publication of ATE90774T1publicationCriticalpatent/ATE90774T1/de