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 LedrfiledCriticalZdenek Ledr
Priority to CS263376ApriorityCriticalpatent/CS183382B1/cs
Publication of CS183382B1publicationCriticalpatent/CS183382B1/cs