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 Vladimir SyrovatkafiledCriticalVladimir Syrovatka
Priority to CS364876ApriorityCriticalpatent/CS187688B1/cs
Publication of CS187688B1publicationCriticalpatent/CS187688B1/cs