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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
Electrical safety of machinery—Electro-sensitive protective equipment—Part 4: Particular requirements for equipment using vision based protective devices (VBPD)
WITHDRAWN published on 24.2.2016
Selected format:Graphic technology--Spectral measurement and colorimetric computation for graphic arts images
WITHDRAWN published on 4.2.2004
Selected format:Method of the real-time RT-PCR for the detection of avian influenza virus
WITHDRAWN published on 14.2.2004
Selected format:Method of the real-time RT-PCRfor the detection of avian influenza virus subtype H5
WITHDRAWN published on 14.2.2004
Selected format:Method of the real-time RT-PCRfor the detection of avian influenza virus subtype H7
WITHDRAWN published on 14.2.2004
Selected format:Method of the real-time RT-PCRfor the detection of avian influenza virus subtype H9
WITHDRAWN published on 14.2.2004
Selected format:Protocol of detecting avian influenza virus subtype H5 using NASBA
WITHDRAWN published on 14.2.2004
Selected format:Light cargo hoisting rod
WITHDRAWN published on 15.5.1980
Selected format:Protocol of detecting avian influenza virus using NASBA
WITHDRAWN published on 14.2.2004
Selected format:Technique requirement for prevention and control of highly pathogenic avian influenza
WITHDRAWN published on 14.2.2004
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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