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 Metodej Machacek, Otakar Ing Csc Deyl, Ales Ing KorostnskyfiledCriticalMetodej Machacek
Priority to CS846497ApriorityCriticalpatent/CS245928B1/en
Publication of CS649784A1publicationCriticalpatent/CS649784A1/en
Publication of CS245928B1publicationCriticalpatent/CS245928B1/en