Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
JJG 990-2004 |
Verification Regulation for Acoustic Detector |
(USD) |
via email in
1-3 business day
|
VALID
|
|
GB/T 20242-2006 |
Acoustics—Procedures for the measurements of real-ear acoustical characteristics of hearing aids |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
GB/T 20247-2006 |
Acoustics - Measurement of sound absorption in a reverberation room |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
|