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GB/T 5170.22-2024_Chinese: Inspection methods environmental testing equipment - Part 22: The equipment for acoustic vibration test in reverberation field (Chinese: 环境试验设备检验方法 第22部分：声振试验用混响场试验设备) Note/Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working-hours typically, ASAP English versions: GB/T 5170.22-2024
