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Standards GB - Chinese national standards - Page 983
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 18717.2-2002
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Ergonomic design for the safety of machinery--Part 2:Principles for determining the dimensions required for openings for access of parts of the body into machinery
Standard published on 17.5.2002
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GB/T 18717.3-2002
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Ergonomic design for the safety of machinery--Part 3:Anthropometric data
Standard published on 17.5.2002
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GB/Z 18718-2002
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Energy saving directives for heat treatment
Standard published on 17.5.2002
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GB/T 18719-2002
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Thermal spraying--Terminologyclassification
Standard published on 17.5.2002
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GB/T 1872-1995
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Phosphate rock and concentrate--Determination of fluorine content--Specific ion electrode method
Standard published on 20.12.1995
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GB/T 18720-2002
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Graphic technology--The application of printing control strip
Standard published on 21.5.2002
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GB/T 18721-2002
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Graphic technology—Prepress digital data exchange—CMYK standard color image data(CMYK/SCID)
Standard published on 21.5.2002
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GB/T 18721.2-2017
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Graphic technology—Prepress digital data exchange—Part 2:XYZ/sRGB encoded standard colour image data(XYZ/SCID)
Standard published on 12.5.2017
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GB/T 18721.3-2024
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Graphic technology—Prepress digital data exchange—Part 3:CIELAB standard colour image data(CIELAB/SCID)
Standard published on 15.3.2024
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GB/T 18721.4-2024
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Graphic technology—Prepress digital data exchange—Part 4:Wide gamut display-referred standard colour image data[Adobe RGB (1998)/SCID]
Standard published on 15.3.2024
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