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Standards GB - Chinese national standards - Page 5605
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 11738-1989
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Standard method for hygienic examination of methanol and acetone in air of residential areas—Gas chromatography
WITHDRAWN published on 21.9.1989
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GB/T 11739-1989
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Standard method for hygienic examination of lead in air of residential areas—Atomic absorption spectrophotometric
WITHDRAWN published on 21.9.1989
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GB/T 1174-1992
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Cast bearing metals
WITHDRAWN published on 5.11.1992
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GB/T 11740-1989
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Standard method for hygienic examination of cadmium in air of residential areas—Atomic absorption spectrophotometric
WITHDRAWN published on 21.9.1989
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GB/T 11741-1989
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Standard method for hygienic examination of carbon disulfide in air of residential areas—Gas chromatography
WITHDRAWN published on 21.9.1989
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GB/T 11742-1989
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Standard method for hygienic examination of hydrogen sulfide in air of residential areas—Methylene blue spectrophotometric method
WITHDRAWN published on 21.9.1989
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GB/T 11743-1989
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Gamma spectrometry method of analysing radionuclides in soil
WITHDRAWN published on 6.10.1989
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GB/T 11743-2013
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Determination of radionuclides in soil by gamma spectrometry
WITHDRAWN published on 31.12.2013
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GB 11744-1989
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De-airing pug mills
WITHDRAWN published on 1.1.1989
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GB 11745-1989
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Splitting machine
WITHDRAWN published on 1.1.1989
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