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Application filed by Petr Ing Netocny, Cenek Ing Horava, Ladislav PakandlfiledCriticalPetr Ing Netocny
Priority to CS872303ApriorityCriticalpatent/CS261935B1/en
Publication of CS230387A1publicationCriticalpatent/CS230387A1/en
Publication of CS261935B1publicationCriticalpatent/CS261935B1/en