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Application filed by Otakar Novotny, Miroslav Lucny, Karel Tvrznik, Premysl Cerny, Mojmir Ranny, Oldrich ValnyfiledCriticalOtakar Novotny
Priority to CS675677ApriorityCriticalpatent/CS190264B1/en
Publication of CS190264B1publicationCriticalpatent/CS190264B1/en