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 Hans Baltz, Alfred Boczek, Horst Fischer, Roland Kollecker, Siegfried Poredda, Manfred Scheffler, Schmidt Karl Heinz, Anton Tille, Reiner Wohland, Helmut Stach, Ursula Lohse, Manfred Noack, Bodo RosahlfiledCriticalHans Baltz
Priority to DD20745378ApriorityCriticalpatent/DD138151A1/de
Priority to SU797770707Aprioritypatent/SU1017699A1/ru
Priority to CS521179Aprioritypatent/CS220598B1/cs
Publication of DD138151A1publicationCriticalpatent/DD138151A1/de