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Application filed by Eberhard Haack, Paul Grothe, Wolf Karl Heinz, Erhardt Scharner, Georg Linke, Dieter Zander, Rolf Krahmer, Guenter WelzelfiledCriticalEberhard Haack
Priority to DD19764877ApriorityCriticalpatent/DD129859A1/en
Publication of DD129859A1publicationCriticalpatent/DD129859A1/en