Home / Standards / GB/T 2524-2010 GB/T 2524-2010 Abolished Titanium sponge 海绵钛 Standard Type GBT ICS 77.150.50 CCS H64 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A