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-7156filedCriticalПредприятие П/Я А-7156
Priority to SU7602387407ApriorityCriticalpatent/SU580299A1/en
Application grantedgrantedCritical
Publication of SU580299A1publicationCriticalpatent/SU580299A1/en