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Standards GB - Chinese national standards - Page 515
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 15193.6-2014
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National Food Safety Standard -- Mammalian Bone Marrow Cell Chromosome Aberration Test
Standard published on 28.1.2015
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GB 15193.8-2014
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National Food Safety Standard -- Chromosome aberration test of mouse spermatogonia or spermatocyte
Standard published on 24.12.2014
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GB 15193.9-2014
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National Food Safety Standard -- Rodent Dominant Lethal Test
Standard published on 24.12.2014
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GB 15196-2015
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Hygienic standard for margarine
Standard published on 13.11.2015
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GB/Z 152-2025
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Ergonomics guidelines for the optimization of musculoskeletal workload
Standard published on 3.12.2025
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GB/T 152.1-1988
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Fasteners--Clearance holes for rivets
Standard published on 6.2.1988
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GB/T 152.2-2014
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Fasteners—Countersinks for countersunk head screws
Standard published on 24.6.2014
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GB/T 152.3-1988
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Fasteners--Counterbores for hexagon socket head screws and slotted cheese head screws
Standard published on 6.2.1988
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GB/T 152.4-1988
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Fasteners--Counterbores for hexagonbolts and nuts
Standard published on 6.2.1988
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GB/T 152.5-2014
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FastenersCountersinks for countersunk head wood screws
Standard published on 24.6.2014
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