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 Запорожский индустриальный институтfiledCriticalЗапорожский индустриальный институт
Priority to SU2623820/25ApriorityCriticalpatent/SU714968A1/en
Application grantedgrantedCritical
Publication of SU714968A1publicationCriticalpatent/SU714968A1/en