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 Cech Miloslav, Ladislav Nestrojil, Talach Jaroslav, Karel VodafiledCriticalCech Miloslav
Priority to CS873743ApriorityCriticalpatent/CS262970B1/en
Publication of CS374387A1publicationCriticalpatent/CS374387A1/en
Publication of CS262970B1publicationCriticalpatent/CS262970B1/en