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 Предприятие П/Я А-1909, Ивановский государственный университет, Ивановский энергетический институтfiledCriticalПредприятие П/Я А-1909
Priority to SU772559737ApriorityCriticalpatent/SU657056A1/en
Application grantedgrantedCritical
Publication of SU657056A1publicationCriticalpatent/SU657056A1/en