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 Zdenek Ing Csc KasparfiledCriticalZdenek Ing Csc Kaspar
Priority to CS875058ApriorityCriticalpatent/CS262512B1/en
Publication of CS505887A1publicationCriticalpatent/CS505887A1/en
Publication of CS262512B1publicationCriticalpatent/CS262512B1/en