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Application filed by Vladimir Marek, Karol Dipl Tech Hansel, Fric Otto, Jaroslav Svoboda, Pavol Ing Skriniar, Jozef Ing KimlickafiledCriticalVladimir Marek
Priority to CS844906ApriorityCriticalpatent/CS490684A1/en
Publication of CS490684A1publicationCriticalpatent/CS490684A1/en