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 Barta JaroslavfiledCriticalBarta Jaroslav
Priority to CS892999ApriorityCriticalpatent/CS299989A2/en
Publication of CS299989A2publicationCriticalpatent/CS299989A2/en