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7 март 1876 г. - Invention of the Telephone

Описание:

"On 7 March 1876, Bell was granted US patent 174465A, for a method of transmitting speech by telegraphy—the telephone."

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Добавлено на ленту времени:

Church History Project

ByAlexander Woodworth

21 июн 2022

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Дата:

7 март 1876 г.

Сейчас

~ 149 г назад

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