Home / Standards / GB/T 25715-2023 GB/T 25715-2023 Active Pipe mould for centrifugal ductile iron pipe 离心铸造球墨铸铁管用管模 Standard Type GBT ICS 25.120.30 CCS J61 Status 现行 Issue Date 2023-11-27 Implementation 2024-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A