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GB - Chinese national standards - Page 242

Standards GB - Chinese national standards - Page 242

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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Publication year
Preview GB/T 12938-1991 22.5.1991
GB/T 12938-1991

Determination of thiosulphate and other related residual chemicals in processed photographic materials--Iodine-amylosemethylene blue and silver sulphide densito-metric methods

Standard published on 22.5.1991

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electronic design (pdf) (670.80 USD)


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670.80 USD


in 3 working days
Preview GB/T 12939-2024 29.9.2024
GB/T 12939-2024

Industrial vehicle rims

Standard published on 29.9.2024

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electronic design (pdf) (384.00 USD)


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384.00 USD


IN STOCK
Preview GB/T 1294-2008 15.5.2008
GB/T 1294-2008

Chemical reagent - L(+)-Tartaric acid

Standard published on 15.5.2008

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electronic design (pdf) (202.80 USD)


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202.80 USD


in 3 working days
Preview GB/T 12940-2023 27.11.2023
GB/T 12940-2023

Technical specification for silver-graphite electrical contacts

Standard published on 27.11.2023

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electronic design (pdf) (298.80 USD)


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298.80 USD


in 3 working days
Preview GB/T 12944-2011 29.7.2011
GB/T 12944-2011

High-voltage ceramic wall bushings

Standard published on 29.7.2011

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electronic design (pdf) (694.80 USD)


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694.80 USD


in 5 working days
Preview GB/T 12945-2003 21.4.2003
GB/T 12945-2003

Jute fiber

Standard published on 21.4.2003

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electronic design (pdf) (226.80 USD)


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226.80 USD


in 3 working days
Preview GB/T 12946-2003 21.4.2003
GB/T 12946-2003

Kenaf fiber

Standard published on 21.4.2003

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electronic design (pdf) (226.80 USD)


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226.80 USD


in 3 working days
Preview GB/T 12947-2008 7.8.2008
GB/T 12947-2008

Fresh citrus

Standard published on 7.8.2008

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electronic design (pdf) (274.80 USD)


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274.80 USD


in 3 working days
Preview GB 12950-1991 5.6.1991
GB 12950-1991

Safety regulations for seismic exploration blasting practices

Standard published on 5.6.1991

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718.80 USD


in 3 working days
Preview GB 12950-2025 31.10.2025
GB 12950-2025

Specification for blasting safety in seismic exploration
Execute Date: november 2026

Standard published on 31.10.2025

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electronic design (pdf) (934.80 USD)


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934.80 USD


in 6 working days

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