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 Richard Ing Pinkas, Blahna Jan, Mojmir KavanfiledCriticalRichard Ing Pinkas
Priority to CS813095ApriorityCriticalpatent/CS236956B1/en
Publication of CS309581A1publicationCriticalpatent/CS309581A1/en
Publication of CS236956B1publicationCriticalpatent/CS236956B1/en