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 Anatolij N KushnirenkofiledCriticalAnatolij N Kushnirenko
Priority to SU874298719ApriorityCriticalpatent/RU1832377C/ru
Application grantedgrantedCritical
Publication of RU1832377CpublicationCriticalpatent/RU1832377C/ru