SUBSURFACE RADIOCOMMUNICATIONS (RADIO ENGINEERING)
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BTSPECIAL APPLICATIONS OF RADIO ENGINEERING (LIKE - VEHICLE COMMUNICATIONS, RADAR ENGINEERING, RADIO METERING METHOD)
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UDC621.396.945
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Descriptor GERUNTERIRDISCHER FUNKVERKEHR (FUNKTECHNIK)
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Descriptor ENGSUBSURFACE RADIOCOMMUNICATIONS (RADIO ENGINEERING)
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Descriptor FRERADIOCOMMUNICATIONS SOUTERRAINES (RADIOTECHNIQUE)
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Variant GERFUNKVERKEHR/UNTERIRDISCHER FUNKVERKEHR (FUNKTECHNIK)
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Variant ENGRADIOCOMMUNICATIONS/SUBSURFACE RADIOCOMMUNICATIONS (RADIO ENGINEERING)
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Variant FRESOUTERRAINES/RADIOCOMMUNICATIONS SOUTERRAINES (RADIOTECHNIQUE)