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Standards GB - Chinese national standards - Page 5141
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/Z 7584.5-2026
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Acoustics—Hearing protectors—Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects
Standard published on 27.2.2026
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GB/T 7584.6-2026
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Acoustics—Hearing protectors—Part 6: Determination of sound attenuation of active noise reduction earmuffs
Execute Date: september 2026
Standard published on 27.2.2026
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GB/T 7586-2018
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Earth-moving machinery—Hydraulic excavators—Test methods
Standard published on 28.12.2018
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GB/T 7588.1-2020
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Safety rules for the construction and installation of lifts—Part 1Passenger and goods passenger lifts
Standard published on 14.12.2020
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GB/T 7588.2-2020
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Safety rules for the construction and installation of lifts—Part 2: Design rules, calculations, examinations and tests of lift components
Standard published on 14.12.2020
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GB/T 7589-1987
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Code of Chinese ideograms set forinformation interchange--The 2nd supplementary set
Standard published on 27.3.1987
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GB/T 7590-1987
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Code of Chinese ideograms set forinformation interchange--The 4th supplementary set
Standard published on 27.3.1987
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GB/T 7591-1987
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Programming language Pascal
Standard published on 27.3.1987
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GB/T 7592-1987
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Boundary dimensions of E.O.T.cranes
Standard published on 27.3.1987
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GB/T 7593-2008
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Powered industrial trucks - Symbols for operator controls and other displays
Standard published on 9.7.2008
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