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Standards GB - Chinese national standards - Page 4898
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 4963-2007
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Acoustics - Normal equal-loudness-level contours
Standard published on 14.11.2007
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GB/T 4964-2010
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Measurement of noise emitted by vessels on inland waterways and harbours
Standard published on 14.1.2011
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GB/T 4965-1985
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Classification and designation for getter
Standard published on 28.2.1985
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GB/T 4966-2022
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Test method for tensile strength of domestic ceramic materials
Standard published on 30.12.2022
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GB/T 4967-1995
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General specification for electronic calculators
Standard published on 6.4.1995
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GB/T 4968-2008
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Classification of fires
Standard published on 4.11.2008
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GB/T 4970-2009
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Method of running test - Automotive ride comfort
Standard published on 30.10.2009
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GB/T 4971-2009
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Terms and definitions for automotive ride comfort
Standard published on 30.10.2009
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GB/T 4974-2018
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Air compressors,rock drilling machines and pneumatic tools—Preferred pressures
Standard published on 14.5.2018
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GB/T 4975-2018
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Displacement compressors vocabulary—General
Standard published on 13.7.2018
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