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 Azerb Polt I Im Ch IldrymafiledCriticalAzerb Polt I Im Ch Ildryma
Priority to SU894683596ApriorityCriticalpatent/RU1785626C/en
Application grantedgrantedCritical
Publication of RU1785626CpublicationCriticalpatent/RU1785626C/en