Home / Standards / GB/T 37570-2019 GB/T 37570-2019 Active Copper alloy sheet for oilless bearing 无油轴承用铜合金板 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A