Home / Standards / GB/T 8755-1988 GB/T 8755-1988 Abolished Collection of metallographs on titanium and titanium alloy terms 钛及钛合金术语金相图谱 Standard Type GBT ICS 77.040.30 CCS H24 Status 废止 Issue Date 1988-02-25 Implementation 1989-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A