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 Druzhinin Anatolij YfiledCriticalDruzhinin Anatolij Y
Priority to SU843780127ApriorityCriticalpatent/SU1228046A1/en
Application grantedgrantedCritical
Publication of SU1228046A1publicationCriticalpatent/SU1228046A1/en