Home / Standards / DL/T 1657-2016 DL/T 1657-2016 Active 活性焦干法脱硫技术规范 Standard Type DL ICS N/A CCS N/A Status Active Issue Date 2016-12-05 Implementation 2017-05-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局