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Standards GB - Chinese national standards - Page 4831
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 47664-2026
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Test method for neutral salt spray of permanent magnet products
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47665-2026
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Testing method for peel strength of laminated electrical composites
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47666-2026
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Technical requirements of energy management system for ship electrical equipment
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47667-2026
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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
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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
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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
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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
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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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GB/T 47672-2026
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Determination of lithium isotope ratio in aqueous solution—Multiple-collectors inductively coupled plasma mass spectrometry
Standard published on 2.7.2026
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GB/T 47673-2026
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Metallographic examination methods of the magnetic materials
Execute Date: february 2027
Standard published on 2.7.2026
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