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sep 28, 1959 - 1959年9月28日上海制造成功中国第一台光电管控制双人自动扶梯。

Description:

1959年9月28日上海制造成功中国第一台光电管控制双人自动扶梯。

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工业大事年表

2 Sep 2023

1

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731

Date:

sep 28, 1959

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~ 66 years ago

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