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 Ivan Jirovsky, Ivan Kokoska, Jaroslav PrusekfiledCriticalIvan Jirovsky
Priority to CS174377ApriorityCriticalpatent/CS186148B1/cs
Publication of CS186148B1publicationCriticalpatent/CS186148B1/cs