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-7555filedCriticalПредприятие П/Я А-7555
Priority to SU772484264ApriorityCriticalpatent/SU664761A1/en
Application grantedgrantedCritical
Publication of SU664761A1publicationCriticalpatent/SU664761A1/en