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 Sverak FrantisekfiledCriticalSverak Frantisek
Priority to CS873742ApriorityCriticalpatent/CS266670B1/en
Publication of CS374287A1publicationCriticalpatent/CS374287A1/en
Publication of CS266670B1publicationCriticalpatent/CS266670B1/en