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Publication date
Priority claimed from CS75484Aexternal-prioritypatent/CS241640B1/en
Application filed by Petruj Jaroslav, Vesely Karel, Sverak Tomas, Kratochvil Frantisek, Frantisek Cermak, Kummer Miroslav, Jaroslav MacicekfiledCriticalPetruj Jaroslav
Priority to CS136884ApriorityCriticalpatent/CS242928B3/en
Publication of CS136884A1publicationCriticalpatent/CS136884A1/en
Publication of CS242928B3publicationCriticalpatent/CS242928B3/en