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Application filed by Jozef Ing Rusnak, Imrich Kmec, Ludmila Ing Csc TurcaniovafiledCriticalJozef Ing Rusnak
Priority to CS842679ApriorityCriticalpatent/CS239377B1/en
Publication of CS267984A1publicationCriticalpatent/CS267984A1/en
Publication of CS239377B1publicationCriticalpatent/CS239377B1/en