Home / Standards / GB/T 9239.12-2021 GB/T 9239.12-2021 Active Mechanical vibration—Rotor balancing—Part 12: Procedures and tolerances for rotors with flexible behaviour 机械振动 转子平衡 第12部分:具有挠性特性的转子的平衡方法与允差 Standard Type GBT ICS 21.120.40 CCS J04 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 国家标准委 Drafting Unit N/A