from the original on 23 December 2017. Retrieved 6 July 2022. "成都地铁声称1号线所用信号系统是安全的". 四川新闻. 27 September 2011. Archived from the original on 31 December...
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中国中车集团公司 66 China Railway Signal and Communication 中国铁路通信信号集团公司 67 China Railway Engineering Corporation 中国铁路工程总公司 68 China Railway Construction Corporation...
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