Home / Standards / DL/T 1659-2016 DL/T 1659-2016 Abolished 电力作业用软梯技术要求 Standard Type DL ICS N/A CCS N/A Status Abolished Issue Date 2016-12-05 Implementation 2017-05-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局