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.Ю. МертцfiledCriticalА.Ю. Мертц
Priority to SU70064ApriorityCriticalpatent/SU19979A1/ru
Application grantedgrantedCritical
Publication of SU19979A1publicationCriticalpatent/SU19979A1/ru