| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 2521.2-2016 |
Cold-rolled electrical steel delivered in the fully-processed state—Part 2: Grain-oriented steel strip（sheet） |
$140.00 |
via email in 1~5 business day |
superseded,2009-5-1,2017-5-1 |
|
| GB/T 25210-2010 |
Specifications of coals for blue-coke |
$100.00 |
via email in 1~3 business day |
superseded,2022-7-1,2011-2-1 |
|
| GB/T 25210-2021 |
Hydraulic excavator—Central turning joint |
$150.00 |
via email in 1~3 business day |
valid,,2022-7-1 |
|
| GB/T 25211-2010 |
Specifications of blue-coke |
$160.00 |
via email in 1~3 business day |
superseded,2024-4-1,2011-2-1 |
|
| GB/T 25211-2023 |
Classification and quality requirements of semi-coke |
$240.00 |
via email in 1~3 business day |
valid,,2024-4-1 |
|
| GB/T 25212-2010 |
Classification and quality grading for blue-coke |
$100.00 |
via email in 1~3 business day |
superseded,2024-4-1,2011-2-1 |
|
| GB/T 25213-2010 |
Determination of plastic properties of coal—Constant torque Gieseler plastometer method |
$210.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
| GB/T 25214-2010 |
Determination of total sulfur in coal by IR spectrometry |
$60.00 |
immediately |
valid,,2011-2-1 |
|
| GB/T 25215-2010 |
Guide for testing methods for coal water mixture |
$120.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
| GB/T 25216-2010 |
Regional prediction methods for the danger of coal and gas outburst |
$180.00 |
via email in 1~3 business day |
abolished2025-04-01,2025-4-1,2011-2-1 |
|
| GB/T 25216-2024 |
Regional prediction methods for the danger of coal and gas outburst |
$270.00 |
via email in 1~3 business day |
valid,,2025-4-1 |
|
| GB/T 25217.1-2010 |
Methods for test monitoring and prevention of rock burst—Part 1:Classification and laboratory test method on bursting liability of roof strata |
$100.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
| GB/T 25217.10-2019 |
Methods for test,monitoring and prevention of rock burst—Part 10:Prevention method of drillhole destressing on coal-seam |
$160.00 |
via email in 1~3 business day |
valid,,2020-3-1 |
|
| GB/T 25217.11-2019 |
Methods for test,monitoring and prevention of rock burst—Part 11:Prevention method of destress blasting in coal seam |
$160.00 |
via email in 1~3 business day |
valid,,2020-3-1 |
|
| GB/T 25217.12-2019 |
Methods for test,monitoring and prevention of rock burst—Part 12:Prevention method of protective seam mining |
$160.00 |
via email in 1~3 business day |
valid,,2020-3-1 |
|
| GB/T 25217.13-2019 |
Methods for test,monitoring and prevention of rock burst—Part 13:Prevention method of deep-hole blasting in roof |
$220.00 |
via email in 1~3 business day |
valid,,2020-3-1 |
|
| GB/T 25217.14-2020 |
Methods for test,monitoring and prevention of rock burst—Part 14:Prevention method of roof hydraulic fracturing |
$190.00 |
via email in 1~3 business day |
valid,,2021-6-1 |
|
| GB/T 25217.2-2010 |
Methods for test monitoring and prevention of rock burst—Part 2:Classification and laboratory test method on bursting liability of coal |
$360.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
| GB/T 25217.3-2019 |
Methods for test, monitoring and prevention of rock burst—Part 3: Classification and laboratory test method on bursting liability of coal-rock |
$220.00 |
via email in 1~3 business day |
valid,,2020-5-1 |
|
| GB/T 25217.4-2019 |
Methods for test, monitoring and prevention of rock burst—Part 4: Monitoring method of microseismicity |
$160.00 |
via email in 1~3 business day |
valid,,2020-5-1 |
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