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Publication date
Priority claimed from CS148779Aexternal-prioritypatent/CS202607B1/en
Application filed by Vendelin Macho, Ludovit Jurecek, Miroslav Kavala, Maria Matuskova, Frantisek Mihaly, Vladimir Nosko, Vojtech KrutelfiledCriticalVendelin Macho
Priority to CS617683ApriorityCriticalpatent/CS238917B3/en
Publication of CS617683A1publicationCriticalpatent/CS617683A1/en
Publication of CS238917B3publicationCriticalpatent/CS238917B3/en