udc7451 udc7451
  • 02-04-2020
  • Computers and Technology
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Who invented the speaker?

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Аноним Аноним
  • 02-04-2020

Alexander Graham Bell invented the speaker.

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emilymfox04
emilymfox04 emilymfox04
  • 02-04-2020
Peter L. Jensen hiiiiiiiiiii
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