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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
Oil of star anise
WITHDRAWN published on 15.3.1994
Selected format:Terminology of food canning machinery
WITHDRAWN published on 15.3.1994
Selected format:Method for determination of active oxygen content in manganese ores
WITHDRAWN published on 28.2.1979
Selected format:Dysprosium metal
WITHDRAWN published on 9.5.1994
Selected format:Method for chemical analysis of precious metals and their alloys—Gold, palladium alloys—Determination of gold content
WITHDRAWN published on 11.5.1994
Selected format:Test method of precious alloys - Determination of gold content for gold, platinum and palladium alloys - Potentiometric titration using ferrous sulfate
WITHDRAWN published on 31.3.2008
Selected format:Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of nickel content
WITHDRAWN published on 11.5.1994
Selected format:Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of gadolinium content
WITHDRAWN published on 11.5.1994
Selected format:Method for chemical analysis of precious metals and their alloys—Silver alloys—Determination of vanadium content
WITHDRAWN published on 11.5.1994
Selected format:Method for chemical analysis of precious metals and their alloys—Silver alloy—Determination of cerium content
WITHDRAWN published on 11.5.1994
Selected format:Latest update: 2026-04-01 (Number of items: 2 270 267)
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