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                大发快三app官网关于发布铁道行业标准的公告(工程建设标准2020年第7批)

                  现公布《市域(郊)铁路设计规↑范》(TB 10624-2020)行业标准,自2021年2月1日起实施。
                  本标准由中国铁道出版社有限公司出版发行。
                  大发快三app官网
                  2020年12月24日
                (此件主动公【开) 
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