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20 jan 2006 ano - Nuevo evento

Descrição:

Se producen los primeros diodos emisores de luz con 100 lúmenes por vatio. Esta eficacia solo puede ser superada por las lámparas de descarga de gas.

Adicionado na linha do tempo:

New timeline

ByBastian Quillay Tapia
19 ago 2019
0
0
134

Data:

20 jan 2006 ano
Agora
~ 19 years ago
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