Home / Standards / GB/T 12453-2008 GB/T 12453-2008 Active Information technology - Open system interconnection - Transport service definition 信息技术 开放系统互连 运输服务定义 Standard Type GBT ICS 35.100.40 CCS L79 Status 现行 Issue Date 2008-07-16 Implementation 2008-12-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委