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Priority claimed from CS84480Aexternal-prioritypatent/CS251466B1/en
Application filed by Daniel Bobok, Elemir Kossaczky, Bohumil Kral, Vladimir Kudola, Frantisek Kvasnak, Peter Nemcok, Jozef KordikfiledCriticalDaniel Bobok
Priority to CS877086ApriorityCriticalpatent/CS261068B3/en
Publication of CS877086A1publicationCriticalpatent/CS877086A1/en
Publication of CS261068B3publicationCriticalpatent/CS261068B3/en