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NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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GB/T 17247.2-1998
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Acoustics--Attenuation ofsound during propagation outdoors--Part 2:General method of calculation |
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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 17247.2-1998" standard !
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GB Standard Code |
GB/T 17247.2-1998 |
Standard Category |
China National Standards |
GB Standard English Title |
Acoustics--Attenuation ofsound during propagation outdoors--Part 2:General method of calculation |
GB Standard Chinese Title |
声学 户外声传播的衰减 第2部分:一般计算方法 |
Chinese Version Price |
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