Home / Standards / GB/T 24339.2-2009 GB/T 24339.2-2009 Abolished Railway application - Communication,signalling and processing systems - Part 2: Safety-related communication in open transmission systems 轨道交通 通信、信号和处理系统 第2部分：开放式传输系统中的安全相关通信 Standard Type GBT ICS 45.060 CCS S30 Status 废止 Issue Date 2009-09-30 Implementation 2010-01-01 Responsible Dept 国家铁路局 Drafting Unit N/A