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11 sett 1984 anni - 1984年9日11日江南造船厂建成全国最大的11.3 米液压推进盾构式隧道掘进机。

Descrizione:

1984年9日11日江南造船厂建成全国最大的11.3 米液压推进盾构式隧道掘进机。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

688

Data:

11 sett 1984 anni

Adesso

~ 41 years ago

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