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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
Stabilized supply apparatus for measurement
WITHDRAWN published on 25.4.1988
Selected format:Fluid power systems and components--Cylinders--Identification code for mounting dimensions and mounting types
WITHDRAWN published on 25.4.1988
Selected format:Fluid power systems and components—Cylinders—Identification code for mounting dimensions and mounting types
WITHDRAWN published on 22.8.2006
Selected format:Measurment on the carburizing or nitro-carburizing harden case depth of sintering iron-based material
WITHDRAWN published on 6.4.1988
Selected format:Sintered metals materials,excluding hardmetals--Impact test method
WITHDRAWN published on 25.4.1988
Selected format:Sintered metal materials,excluding hardmetals--Determination of apparent hardness--Part 1:Materials of essentially uniform section hardness
WITHDRAWN published on 25.4.1988
Selected format:Sintered metal materials,excluding hardmetals—Determination of apparent hardness Part 1:Materials of essentially uniform section hardness
WITHDRAWN published on 9.4.2002
Selected format:Hermetic motor-compressors for refrigerators
WITHDRAWN published on 5.9.1996
Selected format:Hermetic motor-compressors for refrigerators
WITHDRAWN published on 26.6.2008
Selected format:Nylon 66 dipped tyre cord fabric
WITHDRAWN published on 30.4.1988
Selected format:Latest update: 2024-09-08 (Number of items: 2 346 217)
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