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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
Wire for steel wire ropes use
WITHDRAWN published on 5.4.1996
Selected format:Limit standard of radioactive Ra-226 in phosphate fertilizer
WITHDRAWN published on 11.3.1988
Selected format:Radiological health protection standard for using sealed radioactive sources in oil and gas-fild logging
WITHDRAWN published on 11.3.1988
Selected format:Rust grades and preparation grades of steel surfaces before application of paints and related products
WITHDRAWN published on 21.3.1988
Selected format:Test method for flammability characteristics of glass fiber reinforced plastics using the oxygen index method
WITHDRAWN published on 21.3.1988
Selected format:Gasoline--Determination of lead--X-ray spectrometry
WITHDRAWN published on 24.3.1988
Selected format:Used lubricating oils--Determination of insolubles
WITHDRAWN published on 24.3.1988
Selected format:Petroleum and liquid petroleum products—Method of measuring the temperature
WITHDRAWN published on 24.3.1988
Selected format:Asphalt materials—Determination of specific gravity and density—Pycnometer method
WITHDRAWN published on 28.4.1988
Selected format:Crude oil—Determination of water—Distillation method
WITHDRAWN published on 24.3.1988
Selected format:Latest update: 2024-09-09 (Number of items: 2 346 212)
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