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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
Heat-resisting superalloy tube for general application
WITHDRAWN published on 4.4.1994
Selected format:Compound fertilizer
WITHDRAWN published on 1.1.1994
Selected format:Compound fertilizer(Complex fertilizer)
WITHDRAWN published on 26.7.2001
Selected format:Compound fertilizer (Complex fertilizer)
WITHDRAWN published on 30.11.2009
Selected format:Method for solid,volatile and ash content and pH value of colloidal graphite for kinescope
WITHDRAWN published on 18.4.1994
Selected format:Method for viscosity of colloldal graphite for kinescope
WITHDRAWN published on 18.4.1994
Selected format:Method for resistivity of colloidal graphite for kinescope
WITHDRAWN published on 18.4.1994
Selected format:Method for adherence of colloidal graphite for kinescope
WITHDRAWN published on 18.4.1994
Selected format:Method for aperture-forming effect of colloidal graphite for kinescope
WITHDRAWN published on 18.4.1994
Selected format:Method for moisture resistance of colloidal graphite for kinescope
WITHDRAWN published on 18.4.1994
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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