Home / Standards / GB/T 43073-2023 GB/T 43073-2023 Active Pneumatic fluid power—Test methods for measuring acoustic emission pressure levels of exhaust silencers 气动 测量排气消声器声压级的试验方法 Standard Type GBT ICS 23.100.99 CCS J20 Status 现行 Issue Date 2023-09-07 Implementation 2023-09-07 Responsible Dept 中国机械工业联合会 Drafting Unit N/A