Home / Standards / GB/T 21182-2022 GB/T 21182-2022 Active Scraps of cemented carbide 硬质合金废料 Standard Type GBT ICS 77.120 CCS H69 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A