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 Proizv Ob T Mash NfiledCriticalProizv Ob T Mash N
Priority to SU843692934ApriorityCriticalpatent/SU1156825A1/en
Application grantedgrantedCritical
Publication of SU1156825A1publicationCriticalpatent/SU1156825A1/en