Home / Standards / GB/T 42515-2023 GB/T 42515-2023 Active Metallic powders—Determination of acid-insoluble content in iron, copper, tin and bronze powders 金属粉末 铁、铜、锡和青铜粉末中酸不溶物含量的测定 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A