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Application filed by Volny Borivoj, Volny Jaromir, Jaroslav FifkafiledCriticalVolny Borivoj
Priority to CS824368ApriorityCriticalpatent/CS231074B1/en
Publication of CS436882A1publicationCriticalpatent/CS436882A1/en
Publication of CS231074B1publicationCriticalpatent/CS231074B1/en