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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
Polyethylene machine weaving netting for fisheries--Single twine english knot type
WITHDRAWN published on 1.1.1988
Selected format:Three-strand polyamide multifilament ropes
WITHDRAWN published on 1.1.1988
Selected format:Three-strand vinylal ropes
WITHDRAWN published on 1.1.1988
Selected format:Three-strand polyethylene monofilament ropes
WITHDRAWN published on 1.1.1988
Selected format:Bluntnose black bream
WITHDRAWN published on 19.5.2000
Selected format:Three phases plugs and socket-outlets for household and similar purposes Types,basic parameters and dimensions
WITHDRAWN published on 2.8.1999
Selected format:Three phases plugs and socket-outlets for household and similar purposes—Types,basic parameters and dimensions
WITHDRAWN published on 24.9.2008
Selected format:Standards for quality of blunt head bream fryand fingerling
WITHDRAWN published on 10.12.1988
Selected format:Frozen silver fish
WITHDRAWN published on 1.1.1988
Selected format:Basic parameters for diffraction grating
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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