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 М-5631filedCriticalПредприятие П/Я М-5631
Priority to SU1840374ApriorityCriticalpatent/SU438072A2/ru
Application grantedgrantedCritical
Publication of SU438072A1publicationCriticalpatent/SU438072A1/ru
Publication of SU438072A2publicationCriticalpatent/SU438072A2/ru