Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Receber premium

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

20 jan 1986 ano - 1986年1月20日上海沪光仪器厂研制成功0s30型50万伏高压电桥，填补国内空白。

Descrição:

1986年1月20日上海沪光仪器厂研制成功0s30型50万伏高压电桥，填补国内空白。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

20 jan 1986 ano

Agora

~ 39 years ago

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate