Home / Standards / GB/T 14992-1994 GB/T 14992-1994 Abolished Types of heat-resisting superalloys 高温合金牌号 Standard Type GBT ICS 77.120 CCS H58 Status 废止 Issue Date 1994-04-04 Implementation 1994-05-01 Responsible Dept N/A Drafting Unit N/A