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 filedfiledCritical
Priority to SU1711563ApriorityCriticalpatent/SU415186A1/ru
Priority claimed from SU1711563Aexternal-prioritypatent/SU415186A1/ru
Application grantedgrantedCritical
Publication of SU415186A2publicationCriticalpatent/SU415186A2/ru
Publication of SU415186A1publicationCriticalpatent/SU415186A1/ru