Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Ricevere il Premium

Create a timeline

Public timelines

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

1970年9月上海开关厂试制成功完全不用油的 3.5万伏化学气体高压开关，填补中国电器工业空白。 (1 sett 1970 anni – 1 gen 0 anni)

Descrizione:

1970年9月上海开关厂试制成功完全不用油的 3.5万伏化学气体高压开关，填补中国电器工业空白。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

689

Data:

1 sett 1970 anni

1 gen 0 anni

~ 0 days

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate