| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| JG/T 209-2007 |
Dampers for vibration energy dissipation of buildings |
210 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 7614-1987 |
An artificial ear of wide band type for the calibration of earphones used in audiometry |
75 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 6832-1986 |
Methods of measurement on headphones |
240 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| SJ 1128-1977 |
Acoustic parameters and requirements for loudspeaker system for use in motion picture projection |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB 3661-1983 |
|
105 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 3662-1983 |
|
150 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 10240-1988 |
Specifications for the editing and production of prog-ramme source for subjective assessment of sound quali-ty of electro-acoustic products |
90 (USD) |
via email in
1-3 business day
|
VALID
|
|
| SJ 1039-1976 |
|
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB 11453-1989 |
Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 11452-1989 |
Guide to hearing aid STANDARDs |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| SJ 1040-1976 |
|
|
via email in
|
|
please email coc@codeofchina.com for quotation
|
| GB 11455-1989 |
Hearing aid equipment not entirely worn on the listener |
45 (USD) |
via email in
1-3 business day
|
|
|
| SJ 1736-1981 |
|
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| SJ 2054-1982 |
|
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
|
|
