33
/ru/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
May 1, 2025
1870102
153377
2
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Создать
Close
Create a timeline
Public timelines
Library
FAQ
1 янв 1967 г. - 120V/240V at 60 Hz or 50 Hz was established as the standard.
Описание:
Note: Date is not exact.
Добавлено на ленту времени:
Events Leading to 120V Decision in the US
By
Ethan Yang
11 окт 2018
0
0
751
Дата:
1 янв 1967 г.
Сейчас
~ 58 г назад
About & Feedback
Соглашение
Приватность
Библиотека
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