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.)
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Publication date
Application filed by Doneckijj Politekhn I, Ni Skijj EhlektrotekhnicheskijfiledCriticalDoneckijj Politekhn I
Priority to BG6504084ApriorityCriticalpatent/BG44806A1/xx
Publication of BG44806A1publicationCriticalpatent/BG44806A1/xx
