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Application filed by Svacha Miroslav, Zdenek Ing StrakafiledCriticalSvacha Miroslav
Priority to CS861912ApriorityCriticalpatent/CS252924B1/en
Publication of CS191286A1publicationCriticalpatent/CS191286A1/en
Publication of CS252924B1publicationCriticalpatent/CS252924B1/en