| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 7341.1-1998 |
Audiometers-Part 1 : Pure-tone audiometers |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 16404.2-1999 |
Acoustics—Determination of sound power levels of noise sources using sound intensity—Part 2：Measurement by scanning |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 3768-1996 |
Acoustics-Determination of sound power levels of noise sources using sound pressure-Survey method using an enveloping measurement surface over a reflecting plane |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/Z 27764-2011 |
Acoustics—Determination of sound transmission loss in impedance tubes—Transfer matrix method |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 19884-2005 |
Acoustics— |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 19885-2005 |
Acoustics—Determination of sound insulation performance of cabins—Laboratory and in-situ measurements |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GBJ 122-1988 |
measurement of noise produced by industrial enterprises |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
