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Standards GB - Chinese national standards - Page 5663
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 11888-2001
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Jewellery—Ring-size—Definition, measurement and designation
WITHDRAWN published on 20.7.2001
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GB/T 11888-2014
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Jewellery—Ring-size—Definition,measurement and designation
WITHDRAWN published on 3.9.2014
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GB 1189-1981
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Appearance quality of rubber hose
WITHDRAWN published on 1.1.1981
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GB/T 11890-1989
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Water quality--Determination of benzeneand its analogies--Gas chromatographic method
WITHDRAWN published on 3.11.1989
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GB/T 11894-1989
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Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photo metric method
WITHDRAWN published on 3.11.1989
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GB/T 11897-1989
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Water quality--Determination of free chlorine and total chlorine--Titrimetric method using NN-diethyl-14-phenylenediamine
WITHDRAWN published on 3.11.1989
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GB/T 11898-1989
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Water quality--Determination of free chlorine and total chlorine--Spectrophotometric method using NN-diethyl-14-phenylenediamine
WITHDRAWN published on 3.11.1989
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GBN 119-1981
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WITHDRAWN published on 1.1.1981
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GB 119-1986
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WITHDRAWN published on 1.1.1986
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GBJ 119-1988
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Code for utility technical of concrete admixture
WITHDRAWN published on 1.1.1988
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