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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
Generial specification for black-and-white picture tube bulbs
WITHDRAWN published on 17.12.1992
Selected format:Mobile communication equipments—Transport package
WITHDRAWN published on 24.11.1992
Selected format:Silk and synthetic fiber boltting cloth
WITHDRAWN published on 10.12.1992
Selected format:Marine acoustic and optical alarm signaller general specification
WITHDRAWN published on 19.12.1992
Selected format:Method of testing in tensile strength perpendicular to grain of wood
WITHDRAWN published on 28.12.1992
Selected format:Method of testing in tensile strength perpendicular to grain of wood
WITHDRAWN published on 23.2.2009
Selected format:Method of testing nail holding power of wood
WITHDRAWN published on 28.12.1992
Selected format:Method of testing nail holding power of wood
WITHDRAWN published on 23.2.2009
Selected format:Glossary of terms used in wood preservation
WITHDRAWN published on 28.12.1992
Selected format:A.C.Voltage of electric traction for the railway main lines
WITHDRAWN published on 17.12.1998
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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