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Alexander Graham Bell - Inventions, Telephone & Facts
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Alexander Graham Bell - Inventions, Telephone & Facts
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Alexander Graham Bell - Inventions, Telephone & Facts
Telefon, 1877 Das Telefon, Alexander Graham Bells Erfindung. Patentiert 1876, wie in einer englischen Zeitung von 1877 beschrieben. by
Alexander Graham Bell | Biography, Education, Telephone, Inventions, & Facts | Britannica
Innovation/Inventions Alexander Graham Bell – Born: Edinburgh, Scotland – “Watson, come here! I need you!” – Starts the Bell Telephone Company. - ppt download
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