621.38 Electronics, communications engineering
621.381 Electronics
621.381092 Electronic engineers 621.3815 Components and circuits vi
621.38 Điện tử, kỹ thuật truyền thông
621.381 Điện tử học
621.381092 Kỹ sư điện tử 621.3815 Thành phần và mạch điện it
621.38 Ingegneria elettronica, delle comunicazioni
621.381 Elettronica
621.381092 Ingegneri elettronici 621.3815 Componenti e circuiti en
621.38 Electronics, communications engineering
621.381 Electronics
621.38104 Special topics of electronics 621.381092 Electronic engineers 621.3813 Microwave electronics 621.3815 Components and circuits de
621.38 Elektronik, Kommunikationstechnik
621.381 Elektronik
621.38104 Spezielle Themen der Elektronik 621.381092 Elektronikingenieure 621.3813 Mikrowellenelektronik 621.3815 Bauelemente und Schaltungen
Dewey Decimal Classification
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