| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| 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superseded,2023-7-1,2018-7-1 |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superseded,2024-10-1,2018-7-1 |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superseded,2018-7-1,2009-11-1 |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superseded,2018-12-1,2007-9-1 |
|
| GB/T 20937-2018 |
Potassium magnesium of sulphate fertilizer |
$160.00 |
via email in 1~3 business day |
valid,,2018-12-1 |
|
| GB/T 20938-2007 |
Good manufacturing practice for canned food enterprises |
$270.00 |
immediately |
valid,,2007-12-1 |
|
| GB/T 20939-2007 |
Structuring principles for technical products and technical product documentation—Letter codes—Main classes and subclasses of objects according to their purpose and task |
$900.00 |
via email in 1~3 business day |
valid,,2008-1-1 |
|
| GB/T 2094-1980 |
Toll and local crossbar telephone switching system--Signal marks or colours of lamp and alarm ringer |
$180.00 |
via email in 1~3 business day |
valid,,1981-7-1 |
|
| GB/T 20940-2007 |
Good Manufacturing Practice for Meat Products Enterprises |
$150.00 |
via email in 1~3 business day |
valid,,2007-12-1 |
|
| GB/T 20941-2007 |
Good manufacturing practice for fish products processing factory |
$180.00 |
via email in 1~3 business day |
superseded,2017-12-23,2007-12-1 |
|
| GB/T 20942-2007 |
Good manufacturing practice for brewery enterprises |
$150.00 |
via email in 1~3 business day |
valid,,2007-12-1 |
|
| GB/T 20944.1-2007 |
Textiles-Evaluation for antibacterial activity?Part 1:Agar diffusion plate method |
$90.00 |
via email in 1~3 business day |
valid,,2008-1-1 |
|
| GB/T 20944.2-2007 |
Textiles - Evaluation for antibacterial activity - Part 2: Absorption method |
$100.00 |
immediately |
valid,,2008-1-1 |
|
| GB/T 20944.3-2008 |
Textiles—Evaluation for antibacterial activity—Part 3:Shake flask method |
$120.00 |
immediately |
valid,,2008-12-1 |
|
| GB/T 20945-2007 |
Information security technology—Technical requirements testing and evaluation approaches for information system security audit products |
$450.00 |
via email in 1~3 business day |
superseded,2014-7-15,2007-12-1 |
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