Home / Standards / GB/T 41658-2022 GB/T 41658-2022 Active Metallic powders, excluding hardmetals—Method for testing copper-base infiltrating powders 金属粉末(不包括硬质合金) 铜基浸渗粉检验方法 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2022-07-11 Implementation 2023-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A