| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 4854.4-1999 |
Acoustics-Reference zero for the calibration of audiometric equipment-Part 4：Reference levels for narrow-band masking noise |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 5265-1985 |
Measurement of underwater noise |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 3947-1996 |
Acoustical terminology |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 18022-2000 |
Acoustics--Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1 MHz to 10 MHz |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 14573.2-1993 |
Acoustics. Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 2: Methods for stated values for individual machines |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JB/T 7558-1994 |
|
 (USD) |
via email in
1-10 business day
|
ABOLISHED
|
|
| GB 5266-1985 |
Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials; Pulse-tube method |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 31228-2014 |
Instrumented nanoindentation test—Terminology |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4854.1-1999 |
Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
|
|
