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aug 24, 1988 - 1988年8月24 日上海电钟厂试制的国内第一块新华社快讯大屏幕显示系统安装在北京火车站东侧广场。

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1988年8月24 日上海电钟厂试制的国内第一块新华社快讯大屏幕显示系统安装在北京火车站东侧广场。

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工业大事年表

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aug 24, 1988

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~ 37 years ago

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