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Standards GB - Chinese national standards - Page 7248
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 25890.5-2010
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Railway applications—Fixed installations—DC switchgear—Part 5:Surge arresters and low-voltage limiters for specific use in d.c.system
WITHDRAWN published on 10.1.2011
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GB/T 25895.2-2010
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Water safety signs and beach safety flags—Part 2:Specifications for beach safety flags—Colour,shape,meaning and performance
WITHDRAWN published on 10.1.2011
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GB/T 25895.3-2010
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Water safety signs and beach safety flags—Part 3:Principles and requirements for use
WITHDRAWN published on 10.1.2011
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GB/T 25897-2010
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Superconductivity:Residual resistance ratio measurement of Nb-Ti composite superconductors
WITHDRAWN published on 10.1.2011
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GB/T 25899.1-2010
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Information technology—Universal multiple-octet coded character set(Basic Multilingual plane)—32-dots matrix font of Chinese ideogram—Part 1:Song Ti
WITHDRAWN published on 10.1.2011
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GB/T 25899.2-2010
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Information technology—Universal multiple-octet coded character set(Basic Multilingual plane)—32-dots matrix font of Chinese ideogram—Part 2:Hei Ti
WITHDRAWN published on 10.1.2011
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GBN 259-1986
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WITHDRAWN published on 1.1.1986
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GB/T 2590.1-1981
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Zirconium and hafnium oxides--Determination of zirconium (hafnium) oxide contents--Mandelic acid gravimetric method
WITHDRAWN published on 7.6.1981
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GB/T 2590.10-1981
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Zirconium oxides--Determination of manganese oxide content--Potassium periodate photometric method
WITHDRAWN published on 7.6.1981
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GB/T 2590.11-1981
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Zircoium oxide--Determination of nickel content--22’-Furil dioxime absorption photometric method
WITHDRAWN published on 7.6.1981
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