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21 mar 1780 ano - Lentes Bifocales por Benjamin Franklin.
Descrição:
Lentes bifocales son lentes correctivas que contienen dos potencias diferentes.
Adicionado na linha do tempo:
Alexander Chicas 1°-K-ITSI
By
Alexander Rivas
31 out 2017
0
0
864
Data:
21 mar 1780 ano
Agora
~ 244 years ago
Imagens:
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