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13 avr. 1913 - Hearing aid

Description:

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 févr. 2019

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Date:

13 avr. 1913

Maintenaint

~ Il y a 112 ans

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