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 filed by Heini GeorgifiledCriticalHeini Georgi
Priority to DD14209569ApriorityCriticalpatent/DD76269C2/de
Publication of DD76269A1publicationCriticalpatent/DD76269A1/de
Publication of DD76269B1publicationCriticalpatent/DD76269B1/de
Publication of DD76269C2publicationCriticalpatent/DD76269C2/de