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Application filed by Hudec Jozef, Huska Jozef, Macho Vendelin, Feranec Pavol, Stefan Doc Ing Csc Polacek, Jan Ing Csc HudecfiledCriticalHudec Jozef
Priority to CS876035ApriorityCriticalpatent/CS270132B1/cs
Publication of CS603587A1publicationCriticalpatent/CS603587A1/cs
Publication of CS270132B1publicationCriticalpatent/CS270132B1/cs