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14 Dez 1810 Jahr - Hauy crea las bases del que ahora conocemos como método Braille (puesto que este lo perfecciona) para ciegos, consistente en letras en relieve.

Zugefügt zum Band der Zeit:

Actividad t.1 Maria Olalla Serra

ByMaria Olalla
22 Nov 2018
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Datum:

14 Dez 1810 Jahr
Jetzt
~ 213 years ago
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