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Application filed by Burian Miroslav, Cervencl Milan, Pivonka JanfiledCriticalBurian Miroslav
Priority to CS887488ApriorityCriticalpatent/CS269480B1/en
Publication of CS748888A1publicationCriticalpatent/CS748888A1/en
Publication of CS269480B1publicationCriticalpatent/CS269480B1/en