| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 21044-2024 |
Chinese soft-shelled turtle |
$315.00 |
via email in 1~5 business day |
valid,,2025-7-1 |
|
| GB/T 21046-2024 |
Neopyropia yezoensis |
$190.00 |
via email in 1~3 business day |
valid,,2025-4-1 |
|
| GB/T 21048-2007 |
Star-rating standard for cinemas |
$300.00 |
via email in 1~3 business day |
valid,,2007-12-1 |
|
| GB/T 21049-2007 |
Chinese-sensible code |
$990.00 |
via email in 1~3 business day |
superseded,2022-10-1,2008-2-1 |
|
| GB/T 21049-2022 |
Han Xin code |
$1950.00 |
via email in 1~5 business day |
valid,,2022-10-1 |
|
| GB/T 2105-1991 |
Metallic material—STANDARD test method for the Youngs modulus, shear modulus and poisons ratio (Dynamic method) |
$270.00 |
via email in 1~3 business day |
superseded,2009-4-1,1992-7-1 |
|
| GB/T 21050-2007 |
Information security techniques—Security requirements for network switch(EAL3) |
$885.00 |
via email in 1~5 business day |
superseded,2020-3-1,2008-1-1 |
|
| GB/T 21050-2019 |
Information security technology—Security requirements for network switch |
$750.00 |
via email in 1~5 business day |
valid,,2020-3-1 |
|
| GB/T 21051-2007 |
Ergonomics of human-system interaction—Usability methods supporting human-centred design |
$614.00 |
via email in 1~5 business day |
valid,,2007-12-1 |
|
| GB/T 21052-2007 |
Information security technology—Physical security technical requirement for information system |
$570.00 |
via email in 1~5 business day |
valid,,2008-1-1 |
|
| GB/T 21053-2007 |
Information security techniques—Public key infrastructure—Technology requirement for security classification protection of PKI system |
$930.00 |
via email in 1~3 business day |
superseded,2023-10-1,2008-1-1 |
|
| GB/T 21053-2023 |
Information security techniques—Public key infrastructure—Security technology requirement for PKI system |
$360.00 |
via email in 1~5 business day |
valid,,2023-10-1 |
|
| GB/T 21054-2007 |
Information security techniques—Public key infrastructure—Evaluation criteria for security classification protection of PKI system |
$390.00 |
via email in 1~3 business day |
superseded,2023-10-1,2008-1-1 |
|
| GB/T 21054-2023 |
Information security techniques—Public key infrastructure—Security testing assessment approaches for PKI system |
$495.00 |
via email in 1~5 business day |
valid,,2023-10-1 |
|
| GB/T 21055-2007 |
Assistive devices of car manipulation for persons with physical disabilities |
$150.00 |
via email in 1~3 business day |
valid,,2008-3-1 |
|
| GB/T 21056-2007 |
Specification for adjustable speed drive systems of electricity conservation with VF for fans and pumps |
$120.00 |
via email in 1~3 business day |
valid,,2008-2-1 |
|
| GB/T 21057-2007 |
Inorganic chemicals for industrial use—General method for determination of fluorine content—Ion selective electrode method |
$180.00 |
via email in 1~3 business day |
valid,,2008-2-1 |
|
| GB/T 21058-2007 |
Inorganic chemicals for industrial use—General method for mercury content—Flameless atomic absorption spectrometric method |
$150.00 |
via email in 1~3 business day |
valid,,2008-2-1 |
|
| GB/T 21059-2007 |
Plastics—Polymers/resins in the liquid state or as emulsions or dispersions—Determination of viscosity using a rotational viscometer with defined shear rate |
$150.00 |
via email in 1~3 business day |
valid,,2008-2-1 |
|
| GB/T 21060-2007 |
Plastics—Determination of pourability |
$100.00 |
via email in 1~3 business day |
valid,,2008-2-1 |
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