Home / Standards / GB/T 37057-2019 GB/T 37057-2019 Active Multi-way precision die forgings—Quality control criterion 多向精密模锻件 质量控制规范 Standard Type GBT ICS 77.140.85 CCS J32 Status 现行 Issue Date 2019-03-25 Implementation 2019-10-01 Responsible Dept 国家标准委 Drafting Unit N/A