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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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25 dic 1946 año - Se inventa el transistor en los Laboratorios Bell.
Añadido al timeline:
innovadores
By
Katerin gaitan
3 oct 2018
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fecha:
25 dic 1946 año
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~ 78 years ago
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