Home / Standards / GB/T 26311-2024 GB/T 26311-2024 Active Rod, bar and wire of recycling copper and copper alloy 再生铜及铜合金棒线材 Standard Type GBT ICS 77.150.30 CCS H 62 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A