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 Inst Fiz Tekhn Energetiki An LfiledCriticalInst Fiz Tekhn Energetiki An L
Priority to SU884411557ApriorityCriticalpatent/SU1546821A2/en
Application grantedgrantedCritical
Publication of SU1546821A2publicationCriticalpatent/SU1546821A2/en