Home / Standards / GB/T 4186-2002 GB/T 4186-2002 Abolished Molybdenum-tungsten alloy rods 钼钨合金杆 Standard Type GBT ICS 77.080 CCS H63 Status 废止 Issue Date 2002-07-18 Implementation 2002-12-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A