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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
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WITHDRAWN published on 1.1.1986
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WITHDRAWN published on 1.1.1986
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WITHDRAWN published on 1.1.1986
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WITHDRAWN published on 1.1.1986
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WITHDRAWN published on 1.1.1986
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WITHDRAWN published on 1.1.1986
Selected format:Detail specification for electronic component--Semiconductor integrated circuit--Ch 2001 HTL Dual 4 input NAND gate
WITHDRAWN published on 1.1.1986
Selected format:Dimensions shape weight and tolerances for cold-rolled plates and sheets
WITHDRAWN published on 29.2.1988
Selected format:Dimension,shape,weight and tolerance for cold-rolled steel plates and sheets
WITHDRAWN published on 1.11.2006
Selected format:Detail specification for electronic component--Semiconductor integrated circuit--CH 2007 HTL Quad inverter
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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