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Application filed by Horst Buge, Felix Leuschner, Manfred Idziak, Josef NovakfiledCriticalHorst Buge
Priority to DD19656876ApriorityCriticalpatent/DD129343B1/de
Publication of DD129343A1publicationCriticalpatent/DD129343A1/de
Publication of DD129343B1publicationCriticalpatent/DD129343B1/de