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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
Wet type (non-metallic)friction materials
WITHDRAWN published on 5.11.1992
Selected format:Standard specification for sintered austenitic stainless steel structural part
WITHDRAWN published on 5.11.1992
Selected format:Stranded wire cylindrical helical springs
WITHDRAWN published on 11.11.1992
Selected format:Grooved pins--Parallel grooved
WITHDRAWN published on 5.11.1992
Selected format:Grooved pins--Taper grooved
WITHDRAWN published on 5.11.1992
Selected format:Grooved pins--With round head or countersunk head
WITHDRAWN published on 5.11.1992
Selected format:Cashmere hair
WITHDRAWN published on 24.11.1992
Selected format:Raw camel hair and underfleece
WITHDRAWN published on 24.11.1992
Selected format:Angora rabbir hair
WITHDRAWN published on 24.11.1992
Selected format:Raw stem for fibre flax
WITHDRAWN published on 24.11.1992
Selected format:Latest update: 2026-07-31 (Number of items: 2 290 450)
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