BROADCASTING, TELEGRAPHY, TELEPHONY, TELEVISION (ORGANISATION, OPERATION)
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BTTELECOMMUNICATIONS/ORGANIZATION AND SERVICES
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UDC654.1
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Descriptor GERFERNSEHEN, TELEFON, TELEGRAFIE, RADIO (ORGANISATION, BETRIEB)
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Descriptor ENGBROADCASTING, TELEGRAPHY, TELEPHONY, TELEVISION (ORGANISATION, OPERATION)
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Descriptor FRERADIODIFFUSION, TÉLÉGRAPHIE, TÉLÉPHONIE, TÉLÉVISION (ORGANISATION, OPÉRATION)
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NTELECTRONIC DATA INTERCHANGE, EDI (TELECOMMUNICATIONS)
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NTTELEVISION + TELEVISION BROADCASTING (TELECOMMUNICATIONS)
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NTBROADCASTING (TELECOMMUNICATIONS)
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NTTELEPHONY + TELEPHONE COMMUNICATION (ORGANISATION, OPERATION)
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NTTELEGRAPHY (ORGANISATION, OPERATION)