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9 jul 1977 ano - 1977年7月9日设在江苏省沛县的上海大屯煤矿孔庆矿建成投产。

Descrição:

1977年7月9日设在江苏省沛县的上海大屯煤矿孔庆矿建成投产。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

9 jul 1977 ano

Agora

~ 48 years ago

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