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-1298filedCriticalПредприятие П/Я А-1298
Priority to SU762432111ApriorityCriticalpatent/SU636598A1/en
Application grantedgrantedCritical
Publication of SU636598A1publicationCriticalpatent/SU636598A1/en