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 А.Л. Маркович, Л.З. МарковичfiledCriticalА.Л. Маркович
Priority to SU16515ApriorityCriticalpatent/SU9956A1/en
Application grantedgrantedCritical
Publication of SU9956A1publicationCriticalpatent/SU9956A1/en