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 Г.Н. Брусенцов, Н.В. БрусенцовfiledCriticalГ.Н. Брусенцов
Priority to SU133109ApriorityCriticalpatent/SU35307A1/ru
Application grantedgrantedCritical
Publication of SU35307A1publicationCriticalpatent/SU35307A1/ru