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GB - Chinese national standards - Page 4666

Standards GB - Chinese national standards - Page 4666

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 46427-2025 5.10.2025
GB/T 46427-2025

Assessment method of intelligent heavy medium separation system in coal preparation plant

Standard published on 5.10.2025

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electronic design (pdf) (250.80 USD)


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250.80 USD


in 3 working days
Preview GB/T 46428.1-2025 31.10.2025
GB/T 46428.1-2025

Metallic materials—Miniature specimens of plate and rod—Part 1: Fatigue test method

Standard published on 31.10.2025

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electronic design (pdf) (430.80 USD)


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430.80 USD


in 4 working days
Preview GB/T 46429.2-2025 31.10.2025
GB/T 46429.2-2025

Petroleum, petrochemical and natural gas industries—External corrosion protection of risers by coatings and linings—Part 2: Maintenance and field repair coatings for riser pipes

Standard published on 31.10.2025

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electronic design (pdf) (1678.80 USD)


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1 678.80 USD


in 9 working days
Preview GB/T 46430-2025 31.10.2025
GB/T 46430-2025

PhotographyTransmission and reflection densitometers—Method for determining performance

Standard published on 31.10.2025

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electronic design (pdf) (328.80 USD)


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328.80 USD


in 3 working days
Preview GB/T 46431-2025 31.10.2025
GB/T 46431-2025

Imaging materials—Permanence—Vocabulary

Standard published on 31.10.2025

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electronic design (pdf) (1096.80 USD)


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1 096.80 USD


in 7 working days
Preview GB/T 46432-2025 31.10.2025
GB/T 46432-2025

Photography—Processing chemicals—Specifications for 1-phenyl-3-pyrazolidinone

Standard published on 31.10.2025

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
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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electronic design (pdf) (424.80 USD)


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424.80 USD


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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electronic design (pdf) (334.80 USD)


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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

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