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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 janv. 1980 - Fim do processo de padronização da frequência em 60 Hz.
Ajouté au bande de temps:
Principais Marcos do Setor Elétrico Brasileiro
By
Eudes de Almeida
8 déc. 2018
0
0
513
Date:
1 janv. 1980
Maintenaint
~ Il y a 45 ans
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