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3 agos 1971 anni - 1971年8月3日中国第一台可调式液压变矩器在上海大隆机器厂试制成功。

Descrizione:

1971年8月3日中国第一台可调式液压变矩器在上海大隆机器厂试制成功。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

688

Data:

3 agos 1971 anni

Adesso

~ 54 years ago

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