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 Ludek BeitlfiledCriticalLudek Beitl
Priority to CS8210086ApriorityCriticalpatent/CS235231B1/cs
Publication of CS1008682A1publicationCriticalpatent/CS1008682A1/cs
Publication of CS235231B1publicationCriticalpatent/CS235231B1/cs