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GB/T 7341.4-1998 Active
GB/T 7341.4-1998 Audiometers Part 4:Equipment for extended high-frequency audiometry
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 7341.4-1998 |
| CCS | Acoustic metrology |
| ICS | Integrated acoustic measurement and noise suppression |
| Implement Date | 1998-12-01 |
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$ 50
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$ 50
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$ 50