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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
Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
Standard published on 17.6.2008
Selected format:Determination of monoammonium phosphate and diammonium phoshpate - Part 2: Phosphorus content
Standard published on 30.6.2010
Selected format:Determination of monoammonium phosphate and diammonium phoshpate - Part 3: Water content
Standard published on 30.6.2010
Selected format:Determination of monoammonium phosphate and diammonium phoshpate - Part 4: Particle size
Standard published on 30.6.2010
Selected format:Single-use medical rubber examination gloves
Standard published on 14.3.2006
Selected format:Design guide of the outline and structure for the electric control equipment
Standard published on 11.10.2021
Selected format:Sensory analysis - Methodology - General guidance
Standard published on 29.6.2012
Selected format:Sensory analysis—Vocabulary
Standard published on 11.10.2021
Selected format:Basic rack tooth profile of fine-pitch bevel gears
Standard published on 22.12.1988
Selected format:Accuracy of fine-pitch bevel gears
Standard published on 22.12.1988
Selected format:Latest update: 2025-08-04 (Number of items: 2 211 733)
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