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 Brim Bruno Vilgelmovich, Berezin Aleksej StepanovichfiledCriticalBrim Bruno Vilgelmovich
Priority to SU752127858ApriorityCriticalpatent/SU593002A1/ru
Application grantedgrantedCritical
Publication of SU593002A1publicationCriticalpatent/SU593002A1/ru