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Standards GB - Chinese national standards - Page 7099
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 23505-2009
WITHDRAWN
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Petroleum drilling and workover rigs
WITHDRAWN published on 2.4.2009
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GB/T 23506-2009
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The natural gas power set for oil pruduction drilling site
WITHDRAWN published on 2.4.2009
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GB/T 23506-2017
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The gas-fuel power set for oil pruduction drilling site
WITHDRAWN published on 28.2.2017
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GB/T 23507.3-2009
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Criterion for electrical equipment for oil drilling rig—Part 3:The diesel generating set for electric drilling rig
WITHDRAWN published on 2.4.2009
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GB 2351-1980
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WITHDRAWN published on 1.1.1980
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GB/T 2351-1993
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Fluid power systems and components—Connectors and associated components—Outside diameters of tubes and inside diameters of hoses
WITHDRAWN published on 16.10.1993
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GB/T 2351-2005
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Fluid power systems and components—Connectors and associated components—Nominal outside diameters of tubes and nominal inside diameters of hoses
WITHDRAWN published on 11.7.2005
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GB/T 23511-2009
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Petroleum and natural gas industries—General requirements for offshore structures
WITHDRAWN published on 8.4.2009
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GB/T 23512-2009
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Petroleum and natural gas industries—Evaluation and testing of thread compounds for use with casing,tubing,and line pipe
WITHDRAWN published on 8.4.2009
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GB/T 23514-2009
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Chemical analysis methods for nuclear-grade Ag-In-Cd alloys
WITHDRAWN published on 8.4.2009
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