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GB/T 4963-1985
GB/T 4963-1985 Normal equal-loudness contours for pure tones under free field listening conditions
General Product Information
| Document Type | National standards |
|---|---|
| Publisher Name | National Standards Bureau |
| Standard Status | Replaced |
| Standard Code | GB/T 4963-1985 |
| CCS | Physics and mechanics |
| ICS | \nNoise (related to humans) |
| Implement Date | 1985-10-01 |
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