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 Vaclav MichekfiledCriticalVaclav Michek
Priority to CS627176ApriorityCriticalpatent/CS190763B1/cs
Publication of CS190763B1publicationCriticalpatent/CS190763B1/cs