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
Application filedfiledCritical
Priority to DD19354076ApriorityCriticalpatent/DD126698B1/de
Publication of DD126698A1publicationCriticalpatent/DD126698A1/xx
Publication of DD126698B1publicationCriticalpatent/DD126698B1/de
