| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 31390-2015 |
Appraisal for view stone |
 (USD) |
via email in
1 business day
|
VALID
|
|
| GB/T 31432-2015 |
Dushan Yu—Denomination and lassification |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 36169-2018 |
Turquoise—Grading |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 32862-2016 |
Sapphire grading |
 (USD) |
via email in
1 business day
|
VALID
|
|
| GB/T 14497-1993 |
Requirements for the work of groundwater resources management model |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 16553-2017 |
Gems—Testing |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| T/GYSP 5-2018 |
Samples testing—Jadeite |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 34098-2017 |
Quartzose jade—Classification and nomenclature |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16552-2010 |
Gems—Nomenclature |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 16554-2017 |
Diamond grading |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 4291-1999 |
Synthetic cryolite |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 32863-2016 |
Ruby grading |
 (USD) |
via email in
1 business day
|
VALID
|
|
| GB/T 30714-2014 |
Determination of rare earth in ink-stone by inductively coupled plasma mass spectrometry |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JC/T 574-2006 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 23886-2009 |
Determination of nacre thickness—Optical coherence tomography |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16554-2010 |
Diamond grading |
 (USD) |
via email in
1-5 business day
|
ABOLISHED
|
|
| GB/T 30712-2014 |
Provision of permissible errors for measurement of polished diamond mass |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16553-2003 |
Gems—Testing |
 (USD) |
via email in
1-8 business day
|
ABOLISHED
|
|
| GB/T 4291-2017 |
Synthetic cryolite |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16552-2003 |
Gems—Nomenclature |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
|
|
