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GB - Chinese national standards - Page 321

Standards GB - Chinese national standards - Page 321

Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level. Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document

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Preview GB/T 13794-2017 7.9.2017
GB/T 13794-2017

Pyrometric reference cones

Standard published on 7.9.2017

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Preview GB/T 13797-2023 17.3.2023
GB/T 13797-2023

General specifications for X-ray tube

Standard published on 17.3.2023

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electronic design (pdf) (312.00 USD)


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IN STOCK
Preview GB/T 13799-1992 30.11.1992
GB/T 13799-1992

Methods of the calculation for load capacity of cylindrical gear with double-circular-arc tooth profile

Standard published on 30.11.1992

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802.80 USD


in 4 working days
Preview GB/Z 138-2025 3.12.2025
GB/Z 138-2025

Nanotechnologies—Evaluation of the antimicrobial performance of textiles containing manufactured nanomaterials

Standard published on 3.12.2025

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Preview GB/Z 13800-2021 11.10.2021
GB/Z 13800-2021

Manual wheelchairs

Standard published on 11.10.2021

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262.80 USD


in 3 working days
Preview GB 13801-2015 15.5.2015
GB 13801-2015

Emission standard of air pollutants for crematory

Standard published on 15.5.2015

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in 3 working days
Preview GB/T 13803.1-1999 10.11.1999
GB/T 13803.1-1999

Wooden granular activated carbon for refiningof sodium glutamate

Standard published on 10.11.1999

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166.80 USD


in 2 working days
Preview GB/T 13803.2-1999 10.11.1999
GB/T 13803.2-1999

Wonden activated carbon for water purification

Standard published on 10.11.1999

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Preview GB/T 13803.3-1999 10.11.1999
GB/T 13803.3-1999

Activated carbon for refining of sugar

Standard published on 10.11.1999

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Preview GB/T 13803.4-1999 10.11.1999
GB/T 13803.4-1999

Activated carbon for refinement of injection

Standard published on 10.11.1999

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