Home / Standards / GB/T 32251-2024 GB/T 32251-2024 Active Investment casting process—Pollutants control 熔模铸造工艺 污染物的控制 Standard Type GBT ICS 77.140.80 CCS J31 Status 现行 Issue Date 2024-08-23 Implementation 2024-08-23 Responsible Dept 国家标准委 Drafting Unit N/A