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Standards GB - Chinese national standards - Page 630
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 1663-2001
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Plasticizers--Determination of crytallizing point
Standard published on 28.8.2001
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GB/T 16630-2012
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Lubricants for refrigeration compressors
Standard published on 5.11.2012
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GB/T 16631-2008
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General rules for high performance liquid chromatography
Standard published on 18.6.2008
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GB/T 16632-2019
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Determination of scale inhibition performance of water treatment chemicals—Calcium carbonate precipitation method
Standard published on 30.8.2019
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GB 16636-2008
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Code of safety for diver""s use of electricity underwater
Standard published on 19.6.2008
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GB/T 16637-2008
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General requirements for gas turbine electrical equipment
Standard published on 10.4.2008
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GB/T 16638.1-2008
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Aerodynamics - Concepts, quantities and symbols - Part 1: Aerodynamic terms in common use
Standard published on 18.7.2008
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GB/T 16638.2-2008
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Aerodynamics - Conceptsquantities and symbols - Part 2Axis systems and aircraft motion state quantities
Standard published on 18.7.2008
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GB/T 16638.3-2008
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Aerodynamics - Conceptsquantities and symbols - Part 3: Aircraft geometry
Standard published on 18.7.2008
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GB/T 16638.4-2008
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Aerodynamics - Conceptsquantities and symbols - Part 4: Aerodynamic forcesmomentstheir coefficients and derivatives of aircraft
Standard published on 18.7.2008
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