Home / Standards / GB/T 23609-2023 GB/T 23609-2023 Active Seamless copper alloy tube for water desalting applications 海水淡化装置用铜合金无缝管 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A