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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
Metallic coatings—Electroplated coatings of nickel plus chromium and of copper plus nickel plus chromium
WITHDRAWN published on 12.10.2005
Selected format:Metallic coatings—Electrodeposited coatings of nickel
WITHDRAWN published on 27.6.1997
Selected format:Metallic coatings—Electrodeposited coatings of nickel
WITHDRAWN published on 12.10.2005
Selected format:Metallic coatings—Electroplated coatings of zinc on iron or steel
WITHDRAWN published on 25.7.1997
Selected format:Air quality—Determination of total suspended particulates—Gravimetric method
WITHDRAWN published on 16.8.1988
Selected format:Standard for smokemetric tablet
WITHDRAWN published on 4.10.1996
Selected format:Series of hydrogeologic and water well drilling tubings
WITHDRAWN published on 5.9.1988
Selected format:Seamless steel tubes for drilling
WITHDRAWN published on 10.10.2008
Selected format:Generic specification for microcomputers
WITHDRAWN published on 17.10.2000
Selected format:Generic specification for vector plotters
WITHDRAWN published on 20.9.1988
Selected format:Latest update: 2024-09-02 (Number of items: 2 345 509)
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