Home / Standards / GB/T 5158-1999 GB/T 5158-1999 Metallic powders — Determination of loss in mass in hydrogen reduction 金属粉末 在氢中还原时质量损失的测定 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