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 Jekaterina M Zavjalova, Lev N Ivanov, Roza S RabinovicfiledCriticalJekaterina M Zavjalova
Priority to CS383276ApriorityCriticalpatent/CS180494B1/cs
Publication of CS180494B1publicationCriticalpatent/CS180494B1/cs