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 DE19873718664external-prioritypatent/DE3718664A1/de
Priority claimed from DE3734569Aexternal-prioritypatent/DE3734569C2/de
Application filed by Hetzel Gmbh & Co KgfiledCriticalHetzel Gmbh & Co Kg
Application grantedgrantedCritical
Publication of ATE100764T1publicationCriticalpatent/ATE100764T1/de