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 Javurek, Vaclav Sebor, Kveta JavurkovafiledCriticalVladimir Javurek
Priority to CS686876ApriorityCriticalpatent/CS190016B1/en
Publication of CS190016B1publicationCriticalpatent/CS190016B1/en