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1979年12月是月上海电焊机厂试制成功国内第台大型悬臂式自动埋焊机(MZG1000)。 (dec 1, 1979 – jan 1, 0)

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1979年12月是月上海电焊机厂试制成功国内第台大型悬臂式自动埋焊机(MZG1000)。

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工业大事年表

2 Sep 2023

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Date:

dec 1, 1979

jan 1, 0

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