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 Alexej A Patrin, Viktor N NaumcikfiledCriticalAlexej A Patrin
Priority to CS813303ApriorityCriticalpatent/CS245713B1/en
Publication of CS330381A1publicationCriticalpatent/CS330381A1/en
Publication of CS245713B1publicationCriticalpatent/CS245713B1/en