(WITHDRAWN) Information Technology - Open Systems Interconnection - The Directory: Selected Object Classes - Data Networks and Open System Communications Directory
国外标准现行
标准号:ITU-T X.521-1993
标准名称: 信息技术.开式系统互连.人名地址录:选择目标分类
英文名称:(WITHDRAWN) Information Technology - Open Systems Interconnection - The Directory: Selected Object Classes - Data Networks and Open System Communications Directory