TELECOMMUNICATIONS - GENERAL
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BTTELECOMMUNICATIONS (ELECTRICAL), TELEGRAPHY, TELEPHONY, RADIOCOMMUNICATIONS, TELEVISION, VIDEO ENGINEERING, TELECONTROL
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UDC621.391
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Descriptor GERNACHRICHTENTECHNIK - ALLGEMEIN
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Descriptor ENGTELECOMMUNICATIONS - GENERAL
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Descriptor FRETÉLÉCOMMUNICATIONS - GÉNÉRAL
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Variant GERTECHNIK/NACHRICHTENTECHNIK - ALLGEMEIN
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Variant GERTELEKOMMUNIKATION - ALLGEMEIN (NACHRICHTENTECHNIK)
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Variant GERKOMMUNIKATION/TELEKOMMUNIKATION - ALLGEMEIN (NACHRICHTENTECHNIK)
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Variant ENGELECTRICAL COMMUNICATION ENGINEERING- GENERAL
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Variant ENGENGINEERING/COMMUNICATION ENGINEERING - GENERAL
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Variant ENGCOMMUNICATION ENGINEERING - GENERAL
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Variant ENGCOMMUNICATIONS/TELECOMMUNICATIONS - GENERAL
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NTANALOG TELECOMMUNICATIONS + ANALOG ENGINEERING (TELECOMMUNICATIONS)
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NTASYNCHRONISM (TELECOMMUNICATIONS)
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NTEQUALIZATION (TELECOMMUNICATIONS)
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NTDIGITAL TELECOMMUNICATIONS + DIGITAL ENGINEERING + DIGITAL TECHNIQUES (TELECOMMUNICATIONS)
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NTFREQUENCY RANGES + WAVELENGTH RANGES (ELECTRICAL ENGINEERING)
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NTINFORMATION TECHNOLOGIES, IT + COMMUNICATION TECHNOLOGIES (TELECOMMUNICATIONS)
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NTMULTIPLEXING, FREQUENCY AND TIME MULTIPLEXING TRANSMISSION, CARRIER FREQUENCY TRANSMISSIONS, SPREAD SPECTRUM TECHNOLOGY (TELECOMMUNICATIONS)
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NTTELECOMMUNICATIONS/SYSTEM COMPARISON
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NTTELECOMMUNICATIONS POLICY
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NTOPTICAL TELECOMMUNICATIONS + PHOTONICS (TELECOMMUNICATIONS)
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NTSIGNAL RECEPTION QUALITY, SIGNAL INTENSITY, SIGNAL DISTORTIONS (TELECOMMUNICATIONS)
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NTSIGNAL THEORY + ELECTRICAL PULSE TECHNIQUE (TELECOMMUNICATIONS)
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NTSIGNAL TRANSMISSION, SIGNAL PROCESSING, TELECOMMUNICATION NETWORKS (TELECOMMUNICATIONS)
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NTSYNCHRONIZATION/TELECOMMUNICATIONS
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RTINFORMATION + COMMUNICATION