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Application filed by Mockovciak Pavol, Ladislav GasparikfiledCriticalMockovciak Pavol
Priority to CS853616ApriorityCriticalpatent/CS262606B1/en
Publication of CS361685A1publicationCriticalpatent/CS361685A1/en
Publication of CS262606B1publicationCriticalpatent/CS262606B1/en