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Standards GB - Chinese national standards - Page 4893

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 48118-2026

Ceramic copper-clad substrate for power semiconductor modules
Execute Date: march 2027

Standard published on 28.8.2026

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GB/T 48119-2026

Rare earth oxide solid electrolyte powder
Execute Date: march 2027

Standard published on 28.8.2026

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GB/T 4812-2016

Logs of super grade

Standard published on 13.10.2016

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GB/T 48120-2026

Fine ceramics—LED light source for testing semiconducting photocatalytic materials used under indoor lighting environment
Execute Date: march 2027

Standard published on 28.8.2026

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GB/T 48121-2026

Greenhouse gases—Quantification methods and requirements for carbon footprint of product—Refrigeration and air-conditioning equipment
Execute Date: march 2027

Standard published on 28.8.2026

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GB/T 48122-2026

PhotovoltaicPVglass—Test method and performance evaluation of exposure to extremely cold environment
Execute Date: march 2027

Standard published on 28.8.2026

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GB/T 48123-2026

Rubber,vulcanized or thermoplastic—Determination of equibiaxial tensile stress-strain properties
Execute Date: march 2027

Standard published on 28.8.2026

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GB/T 48124.1-2026

Geometrical product specifications (GPS)—Surface texture: Profile—Part 1: Indication of surface texture
Execute Date: january 2027

Standard published on 28.9.2026

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GB/T 48124.2-2026

Geometrical product specifications (GPS)—Surface texture: Profile—Part 2: Terms, definitions and surface texture parameters
Execute Date: january 2027

Standard published on 28.9.2026

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GB/T 48124.3-2026

Geometrical product specifications (GPS)—Surface texture: Profile—Part 3: Specification operators
Execute Date: january 2027

Standard published on 28.9.2026

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