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 Musil Jan, Jaroslav Mudr RacekfiledCriticalMusil Jan
Priority to CS854194ApriorityCriticalpatent/CS260913B1/en
Publication of CS419485A1publicationCriticalpatent/CS419485A1/en
Publication of CS260913B1publicationCriticalpatent/CS260913B1/en