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Application filed by Viliam Ing Oravec, Peter Rndr Csc Cernaj, Jozef Rura, Jan PitonakfiledCriticalViliam Ing Oravec
Priority to CS843200ApriorityCriticalpatent/CS245317B1/en
Publication of CS320084A1publicationCriticalpatent/CS320084A1/en
Publication of CS245317B1publicationCriticalpatent/CS245317B1/en