Home / Standards / GB/T 25717-2021 GB/T 25717-2021 Active Hot chamber die casting machines for magnesium alloys 镁合金热室压铸机 Standard Type GBT ICS 25.120.30 CCS J61 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A