| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 17247.2-1998 | English | 629 |
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Days<=3
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Acoustics. Attenuation of sound during propagation outdoors. Part 2: General method of calculation
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GB/T 17247.2-1998
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GB/T 17247.2-1998
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