| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 11453-1989 | English | 399 |
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Days<=3
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Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
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GB/T 11453-1989
| Obsolete |
GB/T 11453-1989
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