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Application filed by Ivan Vojtek, Miroslav Krivanek, Otakar Fasina, Miroslav DvoracekfiledCriticalIvan Vojtek
Priority to CS86115ApriorityCriticalpatent/CS258368B1/en
Publication of CS11586A1publicationCriticalpatent/CS11586A1/en
Publication of CS258368B1publicationCriticalpatent/CS258368B1/en