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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
Road vehicles—Electrical disturbances from conduction and coupling—Part 2:Electrical transient conduction along supply lines only
WITHDRAWN published on 15.2.2008
Selected format:Road vehicles—Electrical disturbances from conduction and coupling—Part 3:Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines
WITHDRAWN published on 31.12.2012
Selected format:Determination of magnesium and sodium contents in tellurium--Atomic absorption spectrophotometric method
WITHDRAWN published on 1.1.1980
Selected format:Olive flounder
WITHDRAWN published on 15.2.2008
Selected format:Farrer""s scallop
WITHDRAWN published on 15.2.2008
Selected format:Petroleum and natural gas industries—Design and operation of subsea production systems—Part 2:Flexible pipe systems for subsea and marine applications
WITHDRAWN published on 13.2.2008
Selected format:Specification for external corrosion control for steel pipeline
WITHDRAWN published on 13.2.2008
Selected format:Specification of cathodic protection for underground steel pipeline
WITHDRAWN published on 13.2.2008
Selected format:Determination of tellurium content in tellurium--Potassium dichromate-ammonium ferrous sulfate volumetric method
WITHDRAWN published on 1.1.1980
Selected format:The minimum allowable values of the IPLV and energy efficiency grades for multi-connected air-condition (heat pump) unit
WITHDRAWN published on 18.2.2008
Selected format:Latest update: 2026-01-18 (Number of items: 2 257 146)
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