China 'GB/T 34877.2-2023
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 34877.2-2023
Industrial fans - Determination of fan sound power levels under standard laboratory conditions - Part 2: Reverberation chamber method 工业风机 标准实验室条件下风机声功率级的测定 第2部分:混响室法
Issued Date:2023.12.28
Implemented Date:2024.7.1
Issued by:
The Standardization Administration of the People's Republic of China
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