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Sign language is used by almost every deaf person as a means of communication (14 фев 1721 г. – 14 фев 2018 г.)

Добавлено на ленту времени:

The Evolution of Sign Language

ByDavid Heineman
5 ноя 2017
0
0
470

Дата:

14 фев 1721 г.
14 фев 2018 г.
~ 297 years
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