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Application filed by K Gottschalk, Axel Goerner, Helmut Hugo, Max Lippert, Siegfried Pettrich, Manfred Rode, Dietmar Schacht, Rolf SchulzfiledCriticalK Gottschalk
Priority to DD20531578ApriorityCriticalpatent/DD136511A1/de
Publication of DD136511A1publicationCriticalpatent/DD136511A1/de