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Application filed by Gerhard Kaiser, Lothar Neumann, Pranskat Hans Guenter, Reiner Saffert, Alfred Tonn, Nowak HerbertfiledCriticalGerhard Kaiser
Priority to DD19658976ApriorityCriticalpatent/DD132386B1/de
Publication of DD132386A2publicationCriticalpatent/DD132386A2/de
Publication of DD132386B1publicationCriticalpatent/DD132386B1/de