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 Dusek Bedrich, Sklenicka Jan, Rajnis MartinfiledCriticalDusek Bedrich
Priority to CS868525ApriorityCriticalpatent/CS261581B1/en
Publication of CS852586A1publicationCriticalpatent/CS852586A1/en
Publication of CS261581B1publicationCriticalpatent/CS261581B1/en