// todo need optimize like in event.jsp. Add indexing or not indexing this page. hearing aids invented (2 янв 1923 г. – 3 март 1925 г.) (Лента времени)
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hearing aids invented (2 янв 1923 г. – 3 март 1925 г.)

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ByAnna Huey
19 ноя 2018

Дата:

2 янв 1923 г.
3 март 1925 г.
~ 2 years and 2 months
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