الجدل الترويج سوء الفهم who invented radio in which year الخارجي ثقة المزيد والمزيد
The radio invention. - ppt video online download
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Research and Invention - Radio Year: 1895 Inventor: Guglielmo Marconi In 1895, a young Italian named Gugliemo Marconi invented what he called “the wireless telegraph” while experimenting in his parents' attic. He
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