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 В.В. КаретниковfiledCriticalВ.В. Каретников
Priority to SU119465ApriorityCriticalpatent/SU35938A1/ru
Application grantedgrantedCritical
Publication of SU35938A1publicationCriticalpatent/SU35938A1/ru