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 А. ЗусмановскийfiledCriticalА. Зусмановский
Priority to SU1415241ApriorityCriticalpatent/SU343634A1/ru
Application grantedgrantedCritical
Publication of SU343634A1publicationCriticalpatent/SU343634A1/ru