Home / Standards / GB/T 4194-1984 GB/T 4194-1984 Abolished Creep testing,high temperature treatment and metallographic examination of the tungsten wires 钨丝蠕变试验、高温处理及金相检查方法 Standard Type GBT ICS 77.040.30 CCS H23 Status 废止 Issue Date 1984-03-09 Implementation 1984-11-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A