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.П. ЯцынfiledCriticalВ.П. Яцын
Priority to SU8422ApriorityCriticalpatent/SU6753A1/en
Application grantedgrantedCritical
Publication of SU6753A1publicationCriticalpatent/SU6753A1/en