Home / Standards / GB/T 4185-2017 GB/T 4185-2017 Active Molybdenum-tungsten alloy bars and rods 钼钨合金条及杆 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2017-07-31 Implementation 2018-02-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A