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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
Juice of fruits and vegetables—Determination of free amino acid
WITHDRAWN published on 29.3.1990
Selected format:Fruit and vegetable products—Determination of titratable acidity
WITHDRAWN published on 29.3.1990
Selected format:Fruit and vegetable products—Determination of mineral impurities
WITHDRAWN published on 29.3.1990
Selected format:Fruit and vegetable products—Determination of soluble solids—Refractometric method
WITHDRAWN published on 29.3.1990
Selected format:Fruit and vegetable products—Determination of water-insoluble solids
WITHDRAWN published on 29.3.1990
Selected format:Method for the determination of available phosphorus in calcareous soil
WITHDRAWN published on 1.1.1990
Selected format:Method for the determination of available boron in soil
WITHDRAWN published on 1.1.1990
Selected format:Classification of dangerous and harmful factors for machining facilities
WITHDRAWN published on 1.1.1990
Selected format:Classification of dangerous and harmful factors for machining facilities
WITHDRAWN published on 3.4.1990
Selected format:Methods for geotechnical test
WITHDRAWN published on 2.7.1988
Selected format:Latest update: 2025-10-15 (Number of items: 2 238 420)
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