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Application filed by Ladislav Doc Ing Csc Alik, Pavol Ing HegeduesfiledCriticalLadislav Doc Ing Csc Alik
Priority to CS863856ApriorityCriticalpatent/CS256187B1/en
Publication of CS385686A1publicationCriticalpatent/CS385686A1/en
Publication of CS256187B1publicationCriticalpatent/CS256187B1/en