TRANSPONDERS (RADIO ENGINEERING)
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BTRADIOCOMMUNICATIONS AND AMATEUR RADIO APPARATUS, TRANSMITTERS, CIRCUITS, RADIO RECEIVERS, AERIAL SYSTEMS (RADIO ENGINEERING)
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UDC621.396.6,3
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Descriptor GERTRANSPONDER (FUNKTECHNIK)
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Descriptor ENGTRANSPONDERS (RADIO ENGINEERING)
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Descriptor FRETRANSPONDEURS (RADIOTECHNIQUE)