Home / Standards / GB/T 9239.31-2023 GB/T 9239.31-2023 Active Mechanical vibration—Rotor balancing—Part 31: Susceptibility and sensitivity of machines to unbalance 机械振动 转子平衡 第31部分： 机器不平衡易变性和不平衡灵敏度 Standard Type GBT ICS 21.120.40 CCS J04 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 国家标准委 Drafting Unit N/A