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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
Generic specification for weather radars
Standard published on 28.12.1990
Selected format:Measuring methods for meteorological radar parameters
Standard published on 31.7.2017
Selected format:Chemical reagent--Sodium bromide
Standard published on 10.11.2003
Selected format:Oil of Mentha arvensis, partially dementholized
Standard published on 6.9.2013
Selected format:Oil of lavender, China
Standard published on 28.8.2008
Selected format:Writing paper
Standard published on 28.12.2018
Selected format:The basic performance requirements of cigarette paper
Standard published on 1.11.2017
Selected format:Paper, board and pulp - Determination of sodium content
Standard published on 19.8.2008
Selected format:Pulps - Laboratory beating Jokro mill method
Standard published on 19.8.2008
Selected format:Chemical reagent - Sodium chloride
Standard published on 1.9.2006
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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