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Vintage Astrosonic Transistor Radio, Model MT-839, AM Band, 8 Transistors, Assembled In Korea With Japanese Parts (Japan Manufacturer Code 709 On Case), Circa 1… | Transistor radio, Transistors, Radio
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The Design of Radios and Music Players in Japan from the 1950s to the 1970s – Hong Kong link – The Industrial History of Hong Kong Group
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