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aug 7, 1966 - 1966年8月7日上海建筑机械厂制成全液压挖掘机，填补中国挖掘机品种空白。

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1966年8月7日上海建筑机械厂制成全液压挖掘机，填补中国挖掘机品种空白。

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工业大事年表

2 Sep 2023

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689

Date:

aug 7, 1966

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~ 59 years ago

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