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 Г-4725filedCriticalПредприятие П/Я Г-4725
Priority to SU1902207ApriorityCriticalpatent/SU456066A1/en
Application grantedgrantedCritical
Publication of SU456066A1publicationCriticalpatent/SU456066A1/en