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NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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GB/T 21229-2007
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Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room |
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Issued Date: |
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Implemented Date: |
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Issued by: |
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The Standardization Administration of the People's Republic of China |
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"GB/T 21229-2007" standard !
This GB standard english version is not ready translated, only after get your order, then we translate it, time usually need more 3-5 days .
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GB Standard Code |
GB/T 21229-2007 |
Standard Category |
China National Standards |
GB Standard English Title |
Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room |
GB Standard Chinese Title |
声学 风道末端装置、末端单元、风道闸门和阀噪声声功率级的混响室测定 |
Chinese Version Price |
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English Translation Fee |
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