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 М.Я. ЖивотовскийfiledCriticalМ.Я. Животовский
Priority to SU357186ApriorityCriticalpatent/SU76405A1/en
Application grantedgrantedCritical
Publication of SU76405A1publicationCriticalpatent/SU76405A1/en