| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 20136-2006 |
General method of test for electric power plant with inernal combustion engines |
$1800.00 |
via email in 1~3 business day |
valid,,2006-8-1 |
|
| GB/T 20155-2006 |
Determination of mercury, cadmium and lead in battery |
$344.00 |
via email in 1~3 business day |
abolished2018-12-28,2018-12-28,2006-11-1 |
|
| GB/T 20155-2018 |
Determination of mercury,cadmium and lead in battery |
$220.00 |
immediately |
valid,,2018-12-28 |
|
| GB/T 20908-2007 |
General specification for the contact line measuring car of urban rail transit |
$150.00 |
via email in 1~3 business day |
valid,,2007-11-1 |
|
| 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superseded,2023-7-1,2018-7-1 |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superseded,2024-10-1,2018-7-1 |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superseded,2018-7-1,2009-11-1 |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 20989-2007 |
Determination of power losses in high-voltage direct current(HVDC)converter stations |
$390.00 |
via email in 1~3 business day |
superseded,2018-2-1,2008-2-1 |
|
| GB/T 20989-2017 |
Determination of power losses in high-voltage direct ca}rrent(HVDC) converter stations |
$370.00 |
via email in 1~5 business day |
valid,,2018-2-1 |
|
| GB/T 20990.1-2007 |
Thyristor valves for high voltage direct current(HVDC)power transmission—Part 1:Electrical testing |
$450.00 |
via email in 1~3 business day |
superseded,2021-7-1,2008-2-1 |
|
| GB/T 20990.1-2020 |
Thyristor valves for high voltage direct current (HVDC) power transmission—Part 1:Electrical testing |
$615.00 |
via email in 1~5 business day |
valid,,2021-7-1 |
|
| GB/T 20995-2007 |
Power electronics for electrical transmission and distribution systems—Testing of thyristor valves for static VAR compensators |
$480.00 |
via email in 1~3 business day |
superseded,2021-7-1,2008-2-1 |
|
| GB/T 20996.1-2020 |
Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 1: Steady-state conditions |
$990.00 |
via email in 1~10 business day |
valid,,2021-7-1 |
|
| GB/T 20996.2-2020 |
Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 2:Faults and switching |
$630.00 |
via email in 1~5 business day |
valid,,2021-7-1 |
|
| GB/T 20996.3-2020 |
Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 3:Dynamic conditions |
$495.00 |
via email in 1~5 business day |
valid,,2021-7-1 |
|
| GB/T 21225-2007 |
Emergency power supply with inverter |
$450.00 |
via email in 1~3 business day |
valid,,2008-5-20 |
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