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Application filed by Polievka Milan, Uhlar Ladislav, Pavel Ing Kupec, Roman Rndr Vida, Jozef Ing SojkafiledCriticalPolievka Milan
Priority to CS886779ApriorityCriticalpatent/CS270529B1/en
Publication of CS677988A1publicationCriticalpatent/CS677988A1/en
Publication of CS270529B1publicationCriticalpatent/CS270529B1/en