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 Kubec Frantisek, Jaroslav Rndr Knap, Juchelka JirifiledCriticalKubec Frantisek
Priority to CS844275ApriorityCriticalpatent/CS240076B1/en
Publication of CS427584A1publicationCriticalpatent/CS427584A1/en
Publication of CS240076B1publicationCriticalpatent/CS240076B1/en