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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
Spark plugs
WITHDRAWN published on 2.6.1987
Selected format:Analysis techniques for system reliability—Procedure for failure mode and effects analysis(FMEA)
WITHDRAWN published on 3.6.1987
Selected format:Reliability prediction procedure
WITHDRAWN published on 3.6.1987
Selected format:Lifting appliance range of maximun capacities
WITHDRAWN published on 27.3.1987
Selected format:Lifting appliances—Range of maximum capacities for basic models
WITHDRAWN published on 27.11.2013
Selected format:Field sampling and preparation of forest soil samples
WITHDRAWN published on 1.1.1987
Selected format:Field sampling and preparation of forest plant and forest floor samples
WITHDRAWN published on 1.1.1987
Selected format:Collection and preservation of forest soil water and natural water samples
WITHDRAWN published on 1.1.1987
Selected format:Determination of forest soil water content
WITHDRAWN published on 1.1.1987
Selected format:Determination of forest soil water potential
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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