Home / Standards / GB/T 45726-2025 GB/T 45726-2025 Active Acoustics—Determination of high-frequency sound power levels emitted by machinery and equipment 声学 机器设备发射的高频声功率级测定 Standard Type GBT ICS 17.140 CCS A59 Status 现行 Issue Date 2025-05-30 Implementation 2025-12-01 Responsible Dept 中国科学院 Drafting Unit N/A