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 GipromashugleobogashchefiledCriticalGipromashugleobogashche
Priority to SU802992384ApriorityCriticalpatent/SU923629A2/en
Application grantedgrantedCritical
Publication of SU923629A2publicationCriticalpatent/SU923629A2/en