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 Bronislav V Orlov, Jurin M ChochlovfiledCriticalBronislav V Orlov
Priority to CS85932ApriorityCriticalpatent/CS93285A1/cs
Publication of CS93285A1publicationCriticalpatent/CS93285A1/cs