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 Rudolf Blaschke, Helmut Mecke, Erich Franz, Gerhard Nindel, Erich Roessler, Reinhold BunkfiledCriticalRudolf Blaschke
Priority to DD20274877ApriorityCriticalpatent/DD133838A1/de
Publication of DD133838A1publicationCriticalpatent/DD133838A1/de