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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
Conformity verification protocol for safety requirements for industrial automation products: General rule
WITHDRAWN published on 24.7.2014
Selected format:Hexagon bolts with split pin hole on shank—Product grade A and B
WITHDRAWN published on 23.6.1988
Selected format:Rolling bearing accessories--Tapered sleeves, locknuts and lockwashers--Technical specifications
WITHDRAWN published on 1.1.1987
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Foot protection—Selection specification for material safety of footwear
WITHDRAWN published on 5.12.2014
Selected format:Foot protection—Safety requirement and test method for footwear
WITHDRAWN published on 5.12.2014
Selected format:Public information guidance systems—Design and setting principles for the consideration of accessible needs
WITHDRAWN published on 3.9.2014
Selected format:Mobile laboratory—General specification for collecting and pre-treating of sample
WITHDRAWN published on 3.9.2014
Selected format:Tolerances for fasteners--Bolts,screws and nuts
WITHDRAWN published on 22.5.1982
Selected format:Tolerances for fasteners—Plain washers
WITHDRAWN published on 26.9.2000
Selected format:Latest update: 2026-03-12 (Number of items: 2 266 211)
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