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 SU1858757ApriorityCriticalpatent/SU417184A1/ru
Priority claimed from SU1858757Aexternal-prioritypatent/SU417184A1/ru
Application grantedgrantedCritical
Publication of SU417184A2publicationCriticalpatent/SU417184A2/ru
Publication of SU417184A1publicationCriticalpatent/SU417184A1/ru