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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
Standard examination methods for drinking water—Pesticides parameters
WITHDRAWN published on 29.12.2006
Selected format:Classification of Chinese coals
WITHDRAWN published on 9.1.1986
Selected format:Classification of Chinese coals
WITHDRAWN published on 9.1.1986
Selected format:Conveyor belts--Marking
WITHDRAWN published on 29.6.1992
Selected format:Conveyor belts—Marking
WITHDRAWN published on 29.5.2002
Selected format:Steel cord conveyor belts--Cover thickness measurement
WITHDRAWN published on 1.1.1986
Selected format:Steel cord conveyor belts—Cover thickness measurement
WITHDRAWN published on 22.12.1994
Selected format:Steel cord conveyor belts—Methods for the determination of total thickness and cover thickness
WITHDRAWN published on 31.3.2008
Selected format:Steel cord conveyor belts—Longitudinal traction test—Measurement of tensile strength
WITHDRAWN published on 7.1.1986
Selected format:Steel cord conveyor belts—Longitudinal traction test—Part 2:Measurement of tensile strength
WITHDRAWN published on 15.9.2005
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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