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Standards GB - Chinese national standards - Page 7183
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 20053-2015
WITHDRAWN
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Minimum allowable values of energy efficiency and energy efficiency grades for ballasts of metal-halide lamps
WITHDRAWN published on 10.12.2015
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GB 20054-2006
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The minimum allowable values of energy efficiency and energy efficiency grades for metal-halide lamps
WITHDRAWN published on 9.1.2006
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GB 20055-2006
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Safety requirements of mill for rubber and plastics
WITHDRAWN published on 9.1.2006
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GB/T 20056-2006
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Rolling bearings—Radial needle roller and cage assemblies—Dimensions and tolerances
WITHDRAWN published on 9.1.2006
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GB/T 20057-2006
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Rolling bearings—Single-row cylindrical roller bearings—Chamfer dimensions for loose rib and non-rib sides
WITHDRAWN published on 9.1.2006
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GB/T 20058-2006
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Rolling bearings—Single-row angular contact ball bearings—Chamfer dimensions for outer ring non-thrust side
WITHDRAWN published on 9.1.2006
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GB/T 20059-2006
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Rolling bearings—Dynamic load ratings and rating life—Discontinuities in the calculating of basic dynamic load ratings
WITHDRAWN published on 9.1.2006
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GB 2006-1980
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Method for determination of the mechanical strength in metallurgical cokes
WITHDRAWN published on 1.1.1980
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GB/T 2006-1994
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Coke for metallurgy—Determination of mechanical strength
WITHDRAWN published on 26.9.1994
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GB/T 20060-2006
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Rolling bearings—Cylindrical roller bearings, separate thrust collars—Boundary dimensions
WITHDRAWN published on 9.1.2006
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