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GB/T 7342-1987
GB/T 7342-1987 IEC provisional reference coupler for the calibration of earphones used in audiometry
General Product Information
| Document Type | National standards |
|---|---|
| Publisher Name | National Standards Bureau |
| Standard Status | Replaced |
| Standard Code | GB/T 7342-1987 |
| CCS | Acoustic metrology |
| ICS | Television broadcasting and radio broadcasting |
| Implement Date | 1987-11-01 |
Price
$ 42
Subtotal
$ 42
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$ 0.00
Order Total (incl. tax)
$ 42