GB/T 38516-2020可渗透性烧结金属材料中流量平均孔径的测定标准
英文:Permeable sintered metal materials—Determination of average pore size of medium flow GB/T 38516-2020介绍: 国家标准《可渗透性烧结金属...
英文:Permeable sintered metal materials—Determination of average pore size of medium flow GB/T 38516-2020介绍: 国家标准《可渗透性烧结金属...