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 Krepelka Jan, Jaroslav Kropacek, Lasica Stefan, Urban Pavel, Pavel Ing Stary, Jiri Stransky, Ales Malis, Adolf SvehlafiledCriticalKrepelka Jan
Priority to CS875225ApriorityCriticalpatent/CS271107B1/en
Publication of CS522587A1publicationCriticalpatent/CS522587A1/en
Publication of CS271107B1publicationCriticalpatent/CS271107B1/en