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Standards GB - Chinese national standards - Page 4679

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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GB/T 47398-2026

Test method for rotary joint
Execute Date: october 2026

Standard published on 31.3.2026

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GB/T 47399-2026

Test method for antibacterial activity of sanitary wares—Luminescence method
Execute Date: october 2026

Standard published on 31.3.2026

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GB/T 474-2008

Method for preparation of coal sample

Standard published on 4.12.2008

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electronic design (pdf) (ON REQUEST)

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GB/T 4740-2024

Test method for strength of ceramic materials

Standard published on 28.11.2024

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142.80 USD

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GB/T 47400-2026

X-ray digital imaging method for detection of petrochemical polyethylene pipe welded joints
Execute Date: october 2026

Standard published on 31.3.2026

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in 6 working days

GB/T 47401-2026

Test method for cathode materials of lithium ion battery—Determination of paste viscosity
Execute Date: october 2026

Standard published on 31.3.2026

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electronic design (pdf) (258.00 USD)

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GB/T 47402-2026

Refrigerating systems and heat pumps—Competence of personnel
Execute Date: october 2026

Standard published on 31.3.2026

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GB/T 47403-2026

Ferroniobium—Determination of niobiumtantalumsilicon, phosphorusaluminium contents—Wavelength dispersive X-ray fluorescence spectrometric (fused cast bead method)

Standard published on 31.3.2026

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GB/T 47404-2026

Monocrystalline silicon carbide
Execute Date: october 2026

Standard published on 31.3.2026

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