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Application filed by Franc Miroslav, Jaroslav Kaucky, Micek Petr, Semecky JirifiledCriticalFranc Miroslav
Priority to CS844919ApriorityCriticalpatent/CS242420B1/en
Publication of CS491984A1publicationCriticalpatent/CS491984A1/en
Publication of CS242420B1publicationCriticalpatent/CS242420B1/en