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5 h 43 min, 2 janv. 1920 ans - Tri ergon group(germany) and Lee de forest(US) made optical sound: took care of synchonization

Ajouté au bande de temps:

Art History Final

ByBethany Walker
8 nov. 2017

Date:

5 h 43 min, 2 janv. 1920 ans
Maintenaint
~ Il y a 104 ans
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