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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
Fatty diethanol amide
WITHDRAWN published on 12.4.1994
Selected format:General specification for preparing the geometry files of CAD standard parts
WITHDRAWN published on 5.5.1994
Selected format:CAD standard parts file—Specification of geometry and parameters—Key
WITHDRAWN published on 12.12.1997
Selected format:CAD standard parts file—Specification of geometry and parameters—Rolling bearings
WITHDRAWN published on 12.12.1997
Selected format:CAD standard parts file—Specification of geometry and parameters—Elements of geometry class A
WITHDRAWN published on 5.5.1994
Selected format:CAD standard parts file--Specification of geometry and parameters--Revets
WITHDRAWN published on 23.10.1996
Selected format:CAD standard parts file--Specification of geometry and parameters--Pins
WITHDRAWN published on 23.10.1996
Selected format:CAD standard parts file--Specification of geometry and parameters--Nuts
WITHDRAWN published on 23.10.1996
Selected format:CAD standard parts file--Specification of geometry and parameters--Bolts
WITHDRAWN published on 23.10.1996
Selected format:CAD standard parts file--Specification of geometry and parameters--Screws
WITHDRAWN published on 23.10.1996
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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