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 С.А. СтрелковfiledCriticalС.А. Стрелков
Priority to SU53163ApriorityCriticalpatent/SU16025A1/ru
Application grantedgrantedCritical
Publication of SU16025A1publicationCriticalpatent/SU16025A1/ru