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Application filed by Frantisek Ing Hruska, Josef Ing Kovar, Zdenek Danek, Dimitrij Zikos, Jaroslav Plachy, Jan VecerafiledCriticalFrantisek Ing Hruska
Priority to CS848489ApriorityCriticalpatent/CS249574B1/cs
Publication of CS848984A1publicationCriticalpatent/CS848984A1/cs
Publication of CS249574B1publicationCriticalpatent/CS249574B1/cs