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 DE3842140Aexternal-prioritypatent/DE3842140A1/de
Application filed by Bernhard RohlofffiledCriticalBernhard Rohloff
Application grantedgrantedCritical
Publication of ATE84858T1publicationCriticalpatent/ATE84858T1/de