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 Miroslav Rajsner, Miroslav Protiva, Frantisek Miksik, Bohumir Vondracek, Alois NovacekfiledCriticalMiroslav Rajsner
Priority to CS67076ApriorityCriticalpatent/CS182042B1/en
Publication of CS182042B1publicationCriticalpatent/CS182042B1/en