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 Vitezslav Simon, Jan Stetka, Frantisek Haba, Zdenek PetrosfiledCriticalVitezslav Simon
Priority to CS638076ApriorityCriticalpatent/CS190106B1/cs
Publication of CS190106B1publicationCriticalpatent/CS190106B1/cs