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Standards GB - Chinese national standards - Page 6979
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 22048-2008
WITHDRAWN
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Toys and children""s products—Determination of phthalate plasticizers in polyvinyl chloride plastic
WITHDRAWN published on 18.6.2008
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GB/T 22048-2015
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Determination of certain phthalate esters in toys and children’s products
WITHDRAWN published on 31.12.2015
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GB/T 22049-2008
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Footwear—Standard atmospheres for conditioning and testing of footwear and components for footwear
WITHDRAWN published on 18.6.2008
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GB/T 2205-1991
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(The parts and units of jigs and fixtures. Bolt)
WITHDRAWN published on 1.1.1991
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GB/T 22053-2008
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Pentane vesicant
WITHDRAWN published on 30.6.2008
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GB/T 22055.1-2008
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Microscopes—Screw threads for objectives and related nosepieces—Part 1:Screw thread type RMS(4/5 in×1/36 in)
WITHDRAWN published on 20.6.2008
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GB/T 22055.2-2008
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Microscopes—Screw threads for objectives and related nosepieces—Part 2:Screw thread type M25×0.75mm
WITHDRAWN published on 20.6.2008
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GB/T 22056-2008
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Microscopes—Marking of objectives and eyepieces
WITHDRAWN published on 20.6.2008
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GB/T 22057.1-2008
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Microscopes—Imaging distances related to mechanical reference planes—Part 1:Tube length 160 mm
WITHDRAWN published on 20.6.2008
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GB/T 22057.2-2008
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Microscopes—Imaging distances related to mechanical reference planes—Part 2:Infinity-corrected optical systems
WITHDRAWN published on 20.6.2008
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