| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 33771-2017 |
Sound system equipment—Electroacoustical transducers—Measurement of suspension parts |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 9388-1988 |
Methods of measurement for wireless microphone systems |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 9397-1996 |
General specification for electrodynamic loudspeaker of direct radiator type |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 33769-2017 |
Sound system equipment—Electroacoustical transducers—Measurement of large signal parameters |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 9389-1988 |
Sound transmission using infra-red radiation |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 9402-1988 |
Minimum performance requirements on high fidelity microphones |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
