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 Miroslav Ing Cernohorsky, Vladimir Ing KocabekfiledCriticalMiroslav Ing Cernohorsky
Priority to CS832373ApriorityCriticalpatent/CS252107B1/en
Publication of CS237383A1publicationCriticalpatent/CS237383A1/en
Publication of CS252107B1publicationCriticalpatent/CS252107B1/en