Home / Standards / GB/T 13345-2021 GB/T 13345-2021 Active Oil film bearing for flat rolling mill 板带轧机轧辊油膜轴承 Standard Type GBT ICS 21.100.10 CCS J12 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A