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 Hasso Hoeber, Hartmut Knothe, Hellfried KaestnerfiledCriticalHasso Hoeber
Priority to DD20196077ApriorityCriticalpatent/DD133779A1/de
Publication of DD133779A1publicationCriticalpatent/DD133779A1/de