Home / Standards / GB/T 11107-2018 GB/T 11107-2018 Active Metallic and its compound powder—Determination of specific surface and particle size—Air permeating method 金属及其化合物粉末 比表面积和粒度测定 空气透过法 Standard Type GBT ICS 77.160 CCS H21 Status 现行 Issue Date 2018-09-17 Implementation 2019-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A