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Application filed by Navratil Jaroslav, Smidak Stepan, Jaroslav Havlik, Vlastimil Ing BoranfiledCriticalNavratil Jaroslav
Priority to CS847719ApriorityCriticalpatent/CS240143B1/en
Publication of CS771984A1publicationCriticalpatent/CS771984A1/en
Publication of CS240143B1publicationCriticalpatent/CS240143B1/en