Home / Standards / GB/T 1974 GB/T 1974 Water-atomized pure iron powder and alloy steel powder for powder metallurgy—Part 3: 2005 粉末冶金用水雾化纯铁粉,合金钢粉 3- 2005 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A