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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
Band brakes for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Gas analysis—General quality assurance aspects in the use of calibration gas mixtures—Guidelines
WITHDRAWN published on 6.2.2018
Selected format:Full gearcases and chain covers for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Front and rear mudguards for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Luggage carriers for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Stands for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Real-time PCR method for detection of porcine circovirus type 2
WITHDRAWN published on 6.2.2018
Selected format:Bells for bicycles
WITHDRAWN published on 1.1.1983
Selected format:Blocking enzyme-linked immunosorbent assay for detecting the antibody to porcine circovirus type 2
WITHDRAWN published on 6.2.2018
Selected format:Real-time RT-PCR method for detection of porcine reproductive and respiratory syndrome virus
WITHDRAWN published on 6.2.2018
Selected format:Latest update: 2026-03-26 (Number of items: 2 269 551)
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