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GB - Chinese national standards - Page 4660

Standards GB - Chinese national standards - Page 4660

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 46433.1-2025 5.10.2025
GB/T 46433.1-2025

Biotechnology—Genome editing—Part 1: Vocabulary

Standard published on 5.10.2025

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in 4 working days
Preview GB/T 46434-2025 31.10.2025
GB/T 46434-2025

Determination of purity and trace organic impurities of methanol—Gas chromatography

Standard published on 31.10.2025

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334.80 USD


in 3 working days
Preview GB/T 46435.3-2025 31.10.2025
GB/T 46435.3-2025

Photography—Psychophysical experimental methods for estimating image quality—Part 3:Quality ruler method

Standard published on 31.10.2025

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electronic design (pdf) (616.80 USD)


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616.80 USD


in 5 working days
Preview GB/T 46436-2025 31.10.2025
GB/T 46436-2025

Vitreous and porcelain enamels—Preparation of samples and determination of thermal expansion coefficient

Standard published on 31.10.2025

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electronic design (pdf) (238.80 USD)


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238.80 USD


in 3 working days
Preview GB/T 46437-2025 31.10.2025
GB/T 46437-2025

Plastic-dipped composite steel pipes for industrial piping

Standard published on 31.10.2025

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in 5 working days
Preview GB/T 46438-2025 31.10.2025
GB/T 46438-2025

Imaging materials—Adhesive mounting systems—Specifications

Standard published on 31.10.2025

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Preview GB/T 46439-2025 31.10.2025
GB/T 46439-2025

Seamless stainless steel pipes for hydrogen powered vehicle piping

Standard published on 31.10.2025

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430.80 USD


in 4 working days
Preview GB/T 46440-2025 31.10.2025
GB/T 46440-2025

Ultrasonic cloud testing for steel products

Standard published on 31.10.2025

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Preview GB/T 46441-2025 31.10.2025
GB/T 46441-2025

Imaging materials—Colour reflection prints—Test method for ozone gas fading stability

Standard published on 31.10.2025

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520.80 USD


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Preview GB/T 46442-2025 31.10.2025
GB/T 46442-2025

Plastics—Determination of color difference of recycled plastics

Standard published on 31.10.2025

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in 3 working days

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