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 Igor Holubar, Skoupy Ferdinand, Emanuel VinklerfiledCriticalIgor Holubar
Priority to CS86591ApriorityCriticalpatent/CS255777B1/cs
Publication of CS59186A1publicationCriticalpatent/CS59186A1/cs
Publication of CS255777B1publicationCriticalpatent/CS255777B1/cs