33
/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
2306954
194113
2
Create a timeline
Public Timelines
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
FAQ
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Acuerdo
Privacidad
FAQ
Support 24/7
Cabinet
Get premium
Donate
1 ene 1980 año - Fim do processo de padronização da frequência em 60 Hz.
Añadido al timeline:
Principais Marcos do Setor Elétrico Brasileiro
By
Eudes de Almeida
8 dic 2018
0
0
512
fecha:
1 ene 1980 año
Ahora mismo
~ 45 years ago
About & Feedback
Acuerdo
Privacidad
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
