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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
Rare earth ferrosiliconmagnesium alloy
WITHDRAWN published on 9.6.2004
Selected format:Rare earth ferrosilicon magnesium alloy
WITHDRAWN published on 11.9.2015
Selected format:Ferrovanadium
WITHDRAWN published on 17.1.1984
Selected format:Ferrovanadium
WITHDRAWN published on 19.1.2004
Selected format:Test methods of soap fastness for printed and dyed fabrics
WITHDRAWN published on 20.6.1978
Selected format:Flat-top chains and associated chainwheels for conveyors
WITHDRAWN published on 1.3.1993
Selected format:Handles
WITHDRAWN published on 1.1.1984
Selected format:Bi-lever balanced handles
WITHDRAWN published on 1.1.1984
Selected format:Ball knobs
WITHDRAWN published on 1.1.1984
Selected format:Taper knobs
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2025-11-09 (Number of items: 2 243 571)
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