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Standards GB - Chinese national standards - Page 1063
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 18987.12-2009
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Standard published on 1.1.2009
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GB/T 18988.1-2013
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Radionuclide imaging device—Characteristics and test conditions—Part 1Positron emission tomograph
Standard published on 17.12.2013
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GB/T 18988.1-2025
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Radionuclides imaging devices—Characteristics and test conditions—Part 1Positron emission tomographs
Execute Date: may 2027
Standard published on 31.10.2025
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GB/T 18988.2-2013
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Radionuclide imaging device—Characteristics and test conditions—Part 2:Single photon emission computed tomograph
Standard published on 17.12.2013
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GB/T 18988.2-2025
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Radionuclide imaging devices—Characteristics and test conditions—Part 2Gamma cameras for planar, wholebody, and SPECT imaging
Execute Date: july 2027
Standard published on 2.12.2025
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GB/T 18988.3-2013
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Radionuclide imaging device—Characteristics and test conditions—Part 3:Gamma camera based-wholebody imaging systems
Standard published on 17.12.2013
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GB/T 18989-2013
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Radionuclide imaging device—Characteristics and test conditions—Gamma cameras
Standard published on 17.12.2013
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GB/T 18990-2008
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Luteinizing hormone(LH)test strip(Colloidal gold immunochromatographic assay)
Standard published on 3.11.2008
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GB/T 18991-2003
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Thermoplastics pipes and fittings forhot and cold water systems
Standard published on 5.3.2003
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GB/T 18992.1-2003
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Crosslinked polyethylene(PE-X) piping systems for hot and cold water installations--Part 1: General
Standard published on 5.3.2003
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