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 Stembera, Lubos Mraz, Ivan HrivnakfiledCriticalVladimir Stembera
Priority to CS471977ApriorityCriticalpatent/CS191006B1/cs
Publication of CS191006B1publicationCriticalpatent/CS191006B1/cs