| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 25498.3-2010 | English | 174 |
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Days<=3
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Electroacoustics -- Simulators of human head and ear -- Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
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GB/T 25498.3-2010
| Valid |
GB/T 25498.3-2010
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