Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rudolf Exner, Jana Cizkova, Racek Vladimir, Friml Zdenek, Zdenek BaumfiledCriticalRudolf Exner
Priority to CS877860ApriorityCriticalpatent/CS271759B1/en
Publication of CS786087A1publicationCriticalpatent/CS786087A1/en
Publication of CS271759B1publicationCriticalpatent/CS271759B1/en