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Application filed by Bohumil Linhart, Zlesak Ivan, Vacha Jaroslav, Novak Jan, Tibor Ing Csc SeboekfiledCriticalBohumil Linhart
Priority to CS842206ApriorityCriticalpatent/CS237050B1/cs
Publication of CS220684A1publicationCriticalpatent/CS220684A1/cs
Publication of CS237050B1publicationCriticalpatent/CS237050B1/cs