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apr 17, 1990 - 1990年4 月17日宝山钢铁总厂第二期工程冷轧连铸投产和热轧负荷试车仪式举行。

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1990年4 月17日宝山钢铁总厂第二期工程冷轧连铸投产和热轧负荷试车仪式举行。

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工业大事年表

2 Sep 2023

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apr 17, 1990

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~ 35 years ago

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