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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
Plastics—Determination of migration of plasticizers
Execute Date: february 2027
Standard published on 2.7.2026
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Green product assessment—Cast iron pipe
Execute Date: february 2027
Standard published on 2.7.2026
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Hydraulic fluid power—Contamination control—Method for determining the required cleanliness level of a system
Execute Date: february 2027
Standard published on 30.7.2026
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Technical specification for maglev self-bearing clean pump for semiconductor applications
Execute Date: february 2027
Standard published on 30.7.2026
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Diamond discs for dressing the chemical mechanical polishing (CMP) pad of semiconductor chips
Execute Date: february 2027
Standard published on 30.7.2026
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Industrial trucks—Lorry-mounted trucks—Part 1: Safety requirements and verification
Execute Date: february 2027
Standard published on 30.7.2026
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Additive manufacturing of metals—Qualification principles of operators—Part 1:General principles
Execute Date: february 2027
Standard published on 30.7.2026
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Additive manufacturing of metals—Qualification principles of operators—Part 2: Operators for powder bed fusion-laser beamPBF-LB
Execute Date: february 2027
Standard published on 30.7.2026
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Additive manufacturing of metals—Qualification principles of operators—Part 3: Operators for powder bed fusion-electron beamPBF-EB
Execute Date: february 2027
Standard published on 30.7.2026
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Additive manufacturing of metals—Qualification principles of operators—Part 4: Operators for directed energy deposition-laser beamDED-LB
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Latest update: 2026-11-02 (Number of items: 2 209 038)
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