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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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8 sept 1927 año - 1927 Construcción del primer LED
Añadido al timeline:
Sistemas de iluminacion
By
Patricio Rodriguez García
24 oct 2018
0
0
265
fecha:
8 sept 1927 año
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~ 98 years ago
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