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Application filed by Zdenek Novotny, Josef Jurasek, Milos AdamecfiledCriticalZdenek Novotny
Priority to CS859220ApriorityCriticalpatent/CS252313B1/en
Publication of CS922085A1publicationCriticalpatent/CS922085A1/en
Publication of CS252313B1publicationCriticalpatent/CS252313B1/en