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 Jiri Varhanik, Stanislav Petrik, Milos SpetlafiledCriticalJiri Varhanik
Priority to CS7600008519ApriorityCriticalpatent/CS185726B1/cs
Publication of CS185726B1publicationCriticalpatent/CS185726B1/cs