Home / Standards / GB/T 1174-2022 GB/T 1174-2022 Active Cast bearing alloy 铸造轴承合金 Standard Type GBT ICS 77.150.99 CCS J31 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 国家标准委 Drafting Unit N/A