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8 agos 1985 anni - 1985年8月8日上海探矿机械厂制造出中国第台地热钻机，为开发西藏地热作出贡献。

Descrizione:

1985年8月8日上海探矿机械厂制造出中国第台地热钻机，为开发西藏地热作出贡献。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

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688

Data:

8 agos 1985 anni

Adesso

~ 40 years ago

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