Home / Standards / YD/T 1324-2004 YD/T 1324-2004 Abolished 地下通信管道用硬聚氯乙烯（PVC-U）多孔管 Standard Type YD ICS N/A CCS N/A Status Abolished Issue Date 2004-09-10 Implementation 2005-03-01 Centralized Committee 信息产业部 Issuing Authority 信息产业部