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Application filed by Karel Ing Votroubek, Vitezslav Ing Csc Zalsky, Tomas Ing Konvicka, Vladimir Nekvinda, Jiri ElbelfiledCriticalKarel Ing Votroubek
Priority to CS862082ApriorityCriticalpatent/CS254512B1/en
Publication of CS208286A1publicationCriticalpatent/CS208286A1/en
Publication of CS254512B1publicationCriticalpatent/CS254512B1/en