Home / Standards / DL/T 880-2021 DL/T 880-2021 Active 带电作业用导线软质遮蔽罩 Standard Type DL ICS N/A CCS N/A Status Active Issue Date 2021-12-22 Implementation 2022-06-22 Centralized Committee 国家能源局 Issuing Authority 国家能源局