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Application filed by Dvorsky Drahomir, Karel Cerovsky, Socha JaromirfiledCriticalDvorsky Drahomir
Priority to CS829981ApriorityCriticalpatent/CS230782B1/en
Publication of CS998182A1publicationCriticalpatent/CS998182A1/en
Publication of CS230782B1publicationCriticalpatent/CS230782B1/en