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 Pk B Proizv Obedineniya ElektrfiledCriticalPk B Proizv Obedineniya Elektr
Priority to SU874232257ApriorityCriticalpatent/SU1514608A1/en
Application grantedgrantedCritical
Publication of SU1514608A1publicationCriticalpatent/SU1514608A1/en