Home / Standards / YD/T 1997-2009 YD/T 1997-2009 Abolished 接入网用蝶形引入光缆 Standard Type YD ICS N/A CCS N/A Status Abolished Issue Date 2009-12-11 Implementation 2010-01-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部