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Application filed by Josef Ing Csc Becka, Jiri Ing Csc Koenigsmark, Zdenek Dipl Tech Hasch, Josef Dipl Tech Smaha, Emil Ing Csc KoutskyfiledCriticalJosef Ing Csc Becka
Priority to CS847804ApriorityCriticalpatent/CS251155B1/en
Publication of CS780484A1publicationCriticalpatent/CS780484A1/en
Publication of CS251155B1publicationCriticalpatent/CS251155B1/en