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13 abr 1913 ano - Hearing aid

Descrição:

Hearing aids were made to help people who couldn't hear hear. They were first used in 1930 and invented by Miller Reese Hutchison.

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ByRossi Baggett

21 fev 2019

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Data:

13 abr 1913 ano

Agora

~ 112 years ago

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