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Standards GB - Chinese national standards - Page 6226
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 18603-2001
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Technical requirements of measuring systems for natural gas
WITHDRAWN published on 30.12.2001
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GB/T 18603-2014
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Technical requirements of measuring systems for natural gas
WITHDRAWN published on 5.12.2014
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GB/T 18604-2001
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Measurement of natural gas flow by ultrasonic flow meter
WITHDRAWN published on 30.12.2001
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GB/T 18604-2014
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Measurement of natural gas flow by gas ultrasonic flow meters
WITHDRAWN published on 19.2.2014
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GB/T 18605.1-2001
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Natural gas—Determination of hydrogen sulfide content—Part 1:Lead acetate reaction rate dual photo path method
WITHDRAWN published on 30.12.2001
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GB/T 18605.2-2001
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Natural gas—Determination of hydrogen sulfide content—Part 2:Lead acetate reaction rate single photo path method
WITHDRAWN published on 30.12.2001
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GB/T 18606-2001
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The standard test method for biomarker in sediment and crude oil by GC-MS
WITHDRAWN published on 30.12.2001
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GB/T 18607-2001
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Specification for subsurface sucker rod pumps and fittings
WITHDRAWN published on 30.12.2001
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GB/T 18607-2008
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Specification for subsurface sucker rod pumps and fittings
WITHDRAWN published on 4.11.2008
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GB/T 18608-2001
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Standard test methods for determination of iron, nickel, sodium, and vanadium in crude oil by atomic absorption spectrometry
WITHDRAWN published on 30.12.2001
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