Home / Standards / DL/T 5789-2019 DL/T 5789-2019 Active 绝缘管型母线施工工艺导则 Standard Type DL ICS N/A CCS N/A Status Active Issue Date 2019-06-04 Implementation 2019-10-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局