Home / Standards / GB/T 37561-2019 GB/T 37561-2019 Active Standard practice for de-agglomeration of refractory metal powders and their compounds prior to particle size analysis 难熔金属及其化合物粉末在粒度测定之前的分散处理规则 Standard Type GBT ICS 77.160 CCS H21 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A