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may 31, 1985 - 1985年5月31日上海推行更新改造项目投资包干责任制。

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1985年5月31日上海推行更新改造项目投资包干责任制。

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工业大事年表

2 Sep 2023

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689

Date:

may 31, 1985

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~ 40 years ago

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