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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
Maximum allowable concentration of pollutants in atmosphere for protection crops
WITHDRAWN published on 25.5.1988
Selected format:Concrete test hammer
WITHDRAWN published on 5.5.1988
Selected format:Hydraulic excavators—Technical specifications
WITHDRAWN published on 26.8.2008
Selected format:Hydraulic excavators—Classification
WITHDRAWN published on 14.4.1988
Selected format:Hydraulic excavators—Technical specifications
WITHDRAWN published on 18.12.1996
Selected format:Hydraulic excavators—Construction and performance
WITHDRAWN published on 18.12.1996
Selected format:Hydraulic excavators--Testing method of structure strength
WITHDRAWN published on 5.5.1988
Selected format:Concrete mixers
WITHDRAWN published on 16.3.2000
Selected format:Specifications of coals for atomospheric fixed-bed gas producer
WITHDRAWN published on 19.3.2001
Selected format:Specifications of coal for atmospheric fixed-bed gasifier
WITHDRAWN published on 29.7.2008
Selected format:Latest update: 2024-09-08 (Number of items: 2 346 102)
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