| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 4854.9-2016 | English | 234 |
Add to Cart
|
Days<=3
|
Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 9: Preferred test conditions for the determination of reference hearing threshold levels
|
GB/T 4854.9-2016
| Valid |
GB/T 4854.9-2016
|