384 Communications    Telecommunication
384.5 Wireless communication
384.54 Radiobroadcasting 384.55 Television vi
384 Phương tiện truyền thông (liên lạc)   Viễn thông
384.5 Truyền thông vô tuyến
384.54 Phát thanh 384.55 Truyền hình it
384 Comunicazioni    Telecomunicazioni
384.5 Comunicazioni senza fili
384.54 Radiotrasmissioni 384.55 Televisione en
384 Communications
384.5 Wireless communication
384.51 Satellite communication 384.52 Radiotelegraphy 384.53 Radiotelephony 384.54 Radiobroadcasting 384.55 Television de
384 Kommunikation (Nachrichtenübermittlung)    Telekommunikation
384.5 Drahtlose Kommunikation
384.51 Satellitenkommunikation 384.52 Funktelegrafie 384.53 Funkfernsprechtechnik 384.54 Tonrundfunk 384.55 Fernsehen
Dewey Decimal Classification
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