Home / Standards / YS/T 289-2012 YS/T 289-2012 Active 钎焊式热交换器用铝—钢复合带 Standard Type YS ICS N/A CCS N/A Status Active Issue Date 2012-12-28 Implementation 2013-06-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部