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 Hlavonek JaroslavfiledCriticalHlavonek Jaroslav
Priority to CS866893ApriorityCriticalpatent/CS263636B1/en
Publication of CS689386A1publicationCriticalpatent/CS689386A1/en
Publication of CS263636B1publicationCriticalpatent/CS263636B1/en