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 DE3437702Aexternal-prioritypatent/DE3437702C1/de
Application filed by Eugen BuehlerfiledCriticalEugen Buehler
Publication of LT2237BpublicationCriticalpatent/LT2237B/lt