Railway applications - Communication, signalling and processing systems - Part 2: Safety-related communication in open transmission systems
中国标准分类号: S(铁路) ; S61(信号器材) | 发布日期:2002-10-17 实施日期:2002-10-17
Railway applications - Communication, signalling and processing systems - Part 1: Safety-related communication in closed transmission systems
中国标准分类号: S(铁路) ; S61(信号器材) | 发布日期:2002-10-16 实施日期:2002-10-16
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