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Application filed by Hucala Ludovit, Sokol Jozef, Lubomir Doc Ing Kovac, Vojtech SurmafiledCriticalHucala Ludovit
Priority to CS87490ApriorityCriticalpatent/CS267159B1/en
Publication of CS49087A1publicationCriticalpatent/CS49087A1/en
Publication of CS267159B1publicationCriticalpatent/CS267159B1/en