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Standards GB - Chinese national standards - Page 5164
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 7512-2023
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Valves for liquefied petroleum gas cylinders
Standard published on 27.11.2023
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GB/T 7514-1987
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Conversion between the 7-bit coded character set for information processing interchange and the 5-unit code for the telegraph service
Standard published on 27.3.1987
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GB/T 7515-1987
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Information processing--Coding of machine readable characters (MICR and OCR)
Standard published on 24.3.1987
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GB/T 7516-2008
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Micrographics - Graphical symbols for use in microfilming
Standard published on 30.12.2008
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GB/T 7517-2004
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Micrographics--Microfilming for ancient books on 16mm roll film
Standard published on 15.3.2004
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GB/T 7518-2005
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Micrographics—Microfilming for ancient books on 35 mm roll film
Standard published on 19.4.2005
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GB/T 752-2019
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Potassium chlorate for industrial use
Standard published on 30.8.2019
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GB/T 7528-2025
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Rubber and plastics hoses and hose assemblies—Vocabulary
Standard published on 29.8.2025
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GB/T 753-2012
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Steam condition series for utility boilers
Standard published on 31.12.2012
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GB/T 7530-1998
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Rubber or plastics-coated fabrics--Glossary of terms
Standard published on 4.11.1998
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