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Standards GB - Chinese national standards - Page 150
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 11989-2020
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Surface active agents—Test methods of technical sodium alkylarylsulphonates (excluding benzene derivatives)
Standard published on 28.4.2020
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GB/T 11991-2008
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Determination of reversible swelling of exchange resins
Standard published on 30.6.2008
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GB/T 11992-2008
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Determination of exchange capacity of strong basic anion exchange resins in chloride form
Standard published on 4.8.2008
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GB/T 12-2013
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Cup head square neck bolts
Standard published on 9.6.2013
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GB/T 120.1-2000
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Parallel pins with internal threadof unhardened steel and austenitic stainless steel
Standard published on 26.9.2000
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GB/T 120.2-2000
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Parallel pins with internal threadof hardened steel and martensitic stainless steel
Standard published on 26.9.2000
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GB/Z 120.305-2026
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Microgrids—Part 3-5 Testing for microgrid monitoring,control,and energy management systems
Standard published on 28.1.2026
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GB/T 12000-2017
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Plastics—Determination of the effects of exposure to damp heat,water spray and salt mist
Standard published on 29.12.2017
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GB/T 12001.1-2008
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Plastics - Unplasticized poly (vinyl chloride) (PVC-U) moulding and extruded materials - Part 1: Designation system and basis for specifications
Standard published on 18.9.2008
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GB/T 12001.2-2008
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Plastics - Unplasticized poly (vinyl chloride) (PVC-U) moulding and extruded materials - Part 2: Preparation of test specimens and determination of properties
Standard published on 18.9.2008
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