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 Bedrich Ing Sebela, Jaroslav Konarik, Richard CunekfiledCriticalBedrich Ing Sebela
Priority to CS827850ApriorityCriticalpatent/CS231644B1/en
Publication of CS785082A1publicationCriticalpatent/CS785082A1/en
Publication of CS231644B1publicationCriticalpatent/CS231644B1/en