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 DE8702045Uexternal-prioritypatent/DE8702045U1/de
Application filed by Heinz ZahnerfiledCriticalHeinz Zahner
Priority claimed from EP88101449Aexternal-prioritypatent/EP0278364B1/de
Application grantedgrantedCritical
Publication of ATE76149T1publicationCriticalpatent/ATE76149T1/de