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 Detlef Ballschuh, Werner Jaeger, Mathias Hahn, Christine Wandrey, Gerhard Reinisch, Voelkel Hans Georg, Waltraud Bollmann, Werner Lorenz, Erwin JentschfiledCriticalDetlef Ballschuh
Priority to DD19573876ApriorityCriticalpatent/DD128189A1/en
Priority to DE19772738758prioritypatent/DE2738758A1/en
Priority to GB4453577Aprioritypatent/GB1599426A/en
Publication of DD128189A1publicationCriticalpatent/DD128189A1/en