Home / Standards / GB/T 2525-1996 GB/T 2525-1996 Abolished Cerium metal 金属铈 Standard Type GBT ICS 77.120.99 CCS H65 Status 废止 Issue Date 1996-07-09 Implementation 1997-01-01 Responsible Dept 国家发展改革委 Drafting Unit N/A