Home / Standards / HG/T 2273.2-2013 HG/T 2273.2-2013 Active 天然气二段转化催化剂 Standard Type HG ICS N/A CCS N/A Status Active Issue Date 2013-10-17 Implementation 2014-03-01 Centralized Committee 工业和信息化 Issuing Authority 工业和信息化