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 Ing Csc Zalsky, Jiri Elbel, Jaroslav Studeny, Frantisek Svec, Jan HonsafiledCriticalVitezslav Ing Csc Zalsky
Priority to CS866580ApriorityCriticalpatent/CS254746B1/en
Publication of CS658086A1publicationCriticalpatent/CS658086A1/en
Publication of CS254746B1publicationCriticalpatent/CS254746B1/en