TELECOMMUNICATIONS (ELECTRICAL), TELEGRAPHY, TELEPHONY, RADIOCOMMUNICATIONS, TELEVISION, VIDEO ENGINEERING, TELECONTROL
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BTELECTRICAL ENGINEERING
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UDC621.39
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Descriptor GERNACHRICHTENTECHNIK (ELEKTRISCHE), TELEGRAFIE, TELEFONIE, RADIOTECHNIK, FERNSEHTECHNIK, VIDEOTECHNIK, FERNWIRKTECHNIK
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Descriptor ENGTELECOMMUNICATIONS (ELECTRICAL), TELEGRAPHY, TELEPHONY, RADIOCOMMUNICATIONS, TELEVISION, VIDEO ENGINEERING, TELECONTROL
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Descriptor FRETÉLÉCOMMUNICATIONS (ÉLECTRIQUE), TÉLÉGRAPHIE, TÉLÉPHONIE, RADIOPHONIE, TÉLÉVISION, TECHNIQUE VIDEO, TÉLÉCOMMANDE
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NTPHOTOGRAPHIC FACSIMILE (TELECOMMUNICATIONS)
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NTTELECOMMUNICATION INDUSTRY
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NTTELEVISION AND VIDEO ENGINEERING, VIDEO RECORDERS, TELEVISION NORMES, FACSIMILE, IMAGE PROCESSING, TELEVISION AND VIDEO CAMERAS (TELEVISION ENGINEERING)
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NTRADIO COMMUNICATIONS, MOBILE COMMUNICATIONS, BROADCAST TECHNIQUE, PERSONAL COMMUNICATIONS, RADAR TECHNIQUE (RADIO COMMUNICATIONS)
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NTTELECOMMUNICATIONS - GENERAL
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NTHISTORY OF TELECOMMUNICATIONS (ELECTRICAL ENGINEERING)
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NTTELEPHONY + TELEPHONE ENGINEERING (TELECOMMUNICATIONS)
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NTTELEGRAPHY (TELECOMMUNICATIONS)
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NTSOUND ENGINEERING + AUDIO ENGINEERING (ACOUSTICS)