| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 20933-2007 |
Hot rolled U-sheet pile |
$120.00 |
via email in 1~3 business day |
superseded,2015-5-1,2007-12-1 |
|
| GB/T 20933-2014 |
Hot rolled sheet pile |
$120.00 |
via email in 1~3 business day |
abolished2022-05-01 ,2022-5-1,2015-5-1 |
|
| GB/T 20933-2021 |
Hot rolled sheet pile |
$225.00 |
via email in 1~3 business day |
valid,,2022-5-1 |
|
| GB/T 20934-2007 |
Steel tie rod |
$210.00 |
via email in 1~3 business day |
abolished2017-07-01,2017-7-1,2007-12-1 |
|
| GB/T 20934-2016 |
Steel tie rod |
$295.00 |
via email in 1~3 business day |
valid,,2017-7-1 |
|
| GB/T 20935.1-2007 |
Method of electromagnetic acoustic inspection for metal materials-Part 1:Standard guide for electromagnetic acoustic transducers(EMATs) |
$180.00 |
via email in 1~3 business day |
superseded,2018-12-1,2007-12-1 |
|
| GB/T 20935.1-2018 |
Metal materials—Method of electromagnetic acoustic inspection—Part 1: Standard guide for electromagnetic acoustic transducers (EMATs) |
$180.00 |
via email in 1~3 business day |
valid,,2018-12-1 |
|
| GB/T 20935.2-2009 |
Method of electromagnetic acoustic inspection for metal materials—Part 2:Standard practice for ultrasonic testing using electromagnetic acoustic transducer (EMAT) |
$300.00 |
via email in 1~3 business day |
superseded,2018-12-1,2010-5-1 |
|
| GB/T 20935.2-2018 |
Metal materials—Method of electromagnetic acoustic inspection—Part 2: Standard practice for ultrasonic testing using electromagnetic acoustic transducer (EMAT) techniques |
$220.00 |
via email in 1~3 business day |
valid,,2018-12-1 |
|
| GB/T 20935.3-2009 |
Method of electromagnetic acoustic inspection for metal materials—Part 3:Standard test method for ultrasonic surface examinations using electromagnetic acoustic transducer (EMAT) techniques |
$240.00 |
via email in 1~3 business day |
superseded,2018-12-1,2010-5-1 |
|
| GB/T 20935.3-2018 |
Metal materials—Method of electromagnetic acoustic inspection—Part 3: Standard practice for ultrasonic surface examinations using electromagnetic acoustic transducer (EMAT) techniques |
$220.00 |
via email in 1~3 business day |
valid,,2018-12-1 |
|
| GB/T 20936.1-2007 |
Electrical apparatus for the detection and measurement of flammable gases—Part 1:General requirement and test methods |
|
via email in 1~5 business day |
valid,,2008-4-1 |
|
| GB/T 20936.1-2017 |
Gas detectors for explosive atmospheres—Part 1: Performance requirements of detectors for flammable gases |
$550.00 |
via email in 1~3 business day |
superseded,2023-7-1,2018-7-1 |
|
| GB/T 20936.1-2022 |
Gas detectors for explosive atmospheres—Part 1: Performance requirements of detectors for flammable gases |
$555.00 |
via email in 1~5 business day |
valid,,2023-7-1 |
|
| GB/T 20936.2-2017 |
Gas detectors for explosive atmospheres―Part 2:Selection，installation,use and maintenance of detectors for flammable gases and oxygen |
$810.00 |
via email in 1~5 business day |
superseded,2024-10-1,2018-7-1 |
|
| GB/T 20936.2-2024 |
Gas detectors for explosive atmospheres—Part 2: Selection，installation，use and maintenance of detectors for flammable gases and oxygen |
$1110.00 |
via email in 1~5 business day |
valid,,2024-10-1 |
|
| GB/T 20936.3-2009 |
Electrical apparatus for the detection and measurement of flammable gases - Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100 % methane in |
$120.00 |
via email in 1~3 business day |
superseded,2018-7-1,2009-11-1 |
|
| GB/T 20936.3-2017 |
Gas detectors for explosive atmospheres―Part 3:Guidance on functional safety of fixed gas detection systems |
$550.00 |
via email in 1~5 business day |
valid,,2018-7-1 |
|
| GB/T 20936.4-2017 |
Gas detectors for explosive atmospheres―Part 4:Performance requirements of open path detectors for flammable gases |
$430.00 |
via email in 1~5 business day |
valid,,2018-7-1 |
|
| GB/T 20937-2007 |
Potassium magnesium of sulphate fertilizer |
$210.00 |
via email in 1~5 business day |
superseded,2018-12-1,2007-9-1 |
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