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 Krizek Vladimir, Vladimir Ing Gler, Martoch JoseffiledCriticalKrizek Vladimir
Priority to CS849651ApriorityCriticalpatent/CS243236B1/en
Publication of CS965184A1publicationCriticalpatent/CS965184A1/en
Publication of CS243236B1publicationCriticalpatent/CS243236B1/en