Home / Standards / YD/T 1731-2008 YD/T 1731-2008 Abolished 电信网和互联网灾难备份及恢复实施指南 Standard Type YD ICS N/A CCS N/A Status Abolished Issue Date 2008-01-14 Implementation 2008-01-14 Centralized Committee 信息产业部 Issuing Authority 信息产业部