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 DE19813151773external-prioritypatent/DE3151773A1/de
Application filed by Ackermann FruehauffiledCriticalAckermann Fruehauf
Application grantedgrantedCritical
Publication of ATE18164T1publicationCriticalpatent/ATE18164T1/de