HISTORY OF TELECOMMUNICATIONS (ELECTRICAL ENGINEERING)
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BTTELECOMMUNICATIONS (ELECTRICAL), TELEGRAPHY, TELEPHONY, RADIOCOMMUNICATIONS, TELEVISION, VIDEO ENGINEERING, TELECONTROL
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BTHISTORY OF TECHNOLOGY + HISTORY OF ENGINEERING
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UDC621.39(091)
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Descriptor GERNACHRICHTENTECHNIKGESCHICHTE (ELEKTROTECHNIK)
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Descriptor ENGHISTORY OF TELECOMMUNICATIONS (ELECTRICAL ENGINEERING)
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Descriptor FREHISTOIRE DES TÉLÉCOMMUNICATIONS (ÉLECTROTECHNIQUE)
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Variant GERGESCHICHTE/NACHRICHTENTECHNIKGESCHICHTE (ELEKTROTECHNIK)
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Variant GERTELEKOMMUNIKATIONSGESCHICHTE (ELEKTROTECHNIK)
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Variant GERGESCHICHTE/TELEKOMMUNIKATIONGESCHICHTE (ELEKTROTECHNIK)
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Variant ENGTELECOMMUNICATIONS/HISTORY OF TELECOMMUNICATIONS (ELECTRICAL ENGINEERING)
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Variant FRETÉLÉCOMMUNICATIONS/HISTOIRE DES TÉLÉCOMMUNICATIONS (ÉLECTROTECHNIQUE)
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RTHISTORY OF ELECTROTECHNICS