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Standards GB - Chinese national standards - Page 4824

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 47667-2026

Bypass thyristors of converter valves for high-voltage direct current power transmission using voltage sourced converters
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47668-2026

Fuel cell power system—Test method for noise
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47669-2026

Technical specification for high current variable-frequency test power supply device
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47670-2026

Integrated gate commutated thyristor (IGCT) valves for high-voltage direct current power transmission using voltage sourced converters
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47671-2026

Greenhouse gases—Quantification method and requirements for carbon footprint of products—Gas fired power generation
Execute Date: february 2027

Standard published on 2.7.2026

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electronic design (pdf) (ON REQUEST)

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GB/T 47672-2026

Determination of lithium isotope ratio in aqueous solution—Multiple-collectors inductively coupled plasma mass spectrometry
Execute Date: november 2026

Standard published on 2.7.2026

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GB/T 47673-2026

Metallographic examination methods of the magnetic materials
Execute Date: february 2027

Standard published on 2.7.2026

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