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16 magg 1964 anni - Video Relay Service invented by Robert Weitbrecht

Descrizione:

Video Relay Service is a form of Telecommunications Relay Service that enables people who use American Sign Language to communicate with voice telephone users through video equipment, rather than through typed text

Aggiunto al nastro di tempo:

ASL Timeline

ByLucas Copeland
4 apr 2019
0
0
947

Data:

16 magg 1964 anni
Adesso
~ 61 years ago
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