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 Antonin Dipl Tech MatalfiledCriticalAntonin Dipl Tech Matal
Priority to CS906989ApriorityCriticalpatent/CS698990A3/en
Publication of CS698990A3publicationCriticalpatent/CS698990A3/en