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7 Nov 2002 Jahr - Simplicity Signalers

Beschreibung:

These Signal based devices add signaling to control various sounds within the house. In other words, sounds that are made can be represented into a signal, making it easier for the Deaf to be aware

Zugefügt zum Band der Zeit:

Deaf Technology 1960s-2017

ByBlanche Padecio
13 Dez 2017
0
0
535

Datum:

7 Nov 2002 Jahr
Jetzt
~ 22 years ago
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