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Standards GB - Chinese national standards - Page 7242
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 21419-2008
WITHDRAWN
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Power transformers,power supply units,reactors and similar products—EMC requirements
WITHDRAWN published on 22.1.2008
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GB/T 21419-2013
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Safety of transformers,reactors,power supply units and combinations thereof—EMC requirements
WITHDRAWN published on 19.7.2013
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GB 2142-1980
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Determination of copper content in tellurium--Neocuproine Chloroform extraction photometric method
WITHDRAWN published on 1.1.1980
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GB/T 21421.1-2008
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Composite string insulator units for overhead lines with a nominal voltage greater than 1000V—Part 1:Standard strength classes and end fittings
WITHDRAWN published on 22.1.2008
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GB/T 21423-2008
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Tri-wheel vehicles fuel tank - Safety property requirements and test methods
WITHDRAWN published on 1.2.2008
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GB/T 21424-2008
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Low-speed goods vehicles fuel tank—Safety property requirements and test methods
WITHDRAWN published on 1.2.2008
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GB/T 21426-2008
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Special environmental condition - Requirements for electric power plant with internal combustion engines on plateau
WITHDRAWN published on 22.1.2008
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GB/T 21427-2008
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Special environmental condition - Requirements and test methods for electric powerplant with internal combustion engines in dry heat-desert
WITHDRAWN published on 22.1.2008
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GB/T 21428-2008
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Reciprocating internal combustion engine driven generating sets—safety
WITHDRAWN published on 22.1.2008
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GB 2143-1980
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Determination of sulphur content in tellurium--Barium sulfate turbidimetry
WITHDRAWN published on 1.1.1980
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