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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
Bleached lac
WITHDRAWN published on 12.11.1987
Selected format:Shellac used for arms
WITHDRAWN published on 12.11.1987
Selected format:Methods of sampling lac products
WITHDRAWN published on 12.11.1987
Selected format:Methods of testing lac products
WITHDRAWN published on 12.11.1987
Selected format:Determination for exchange capacity of cation exchange resins
WITHDRAWN published on 7.8.1987
Selected format:Gum rosin
WITHDRAWN published on 5.8.1987
Selected format:Gum rosin
WITHDRAWN published on 25.8.2003
Selected format:Test methods of rosin
WITHDRAWN published on 5.8.1987
Selected format:Test methods for rosin
WITHDRAWN published on 17.6.2003
Selected format:Methods for chemical analysis of zinc concentrates—Determination of zinc content
WITHDRAWN published on 16.2.2000
Selected format:Latest update: 2025-07-03 (Number of items: 2 207 355)
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