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Application filed by Jozef Ing Sebo, Jan Ing Trgina, Julius Ing GallyfiledCriticalJozef Ing Sebo
Priority to CS87566ApriorityCriticalpatent/CS270111B1/en
Publication of CS56687A1publicationCriticalpatent/CS56687A1/en
Publication of CS270111B1publicationCriticalpatent/CS270111B1/en