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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
Friction linings for industrial and agricultural machines
WITHDRAWN published on 20.7.2011
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Rock wool, slag wool and their products for thermal insulation
WITHDRAWN published on 15.7.1998
Selected format:Rock wool, slag wool and it""s products for thermal insulation
WITHDRAWN published on 22.6.2007
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Concrete and reinforced concrete sewer pipes
WITHDRAWN published on 30.7.1999
Selected format:Concrete and reinforced concrete sewer pipes
WITHDRAWN published on 9.3.2009
Selected format:Concrete and reinforced concrete sewer pipes
WITHDRAWN published on 9.3.2009
Selected format:Test methods of the concrete compressive strength of concrete pipes for water
WITHDRAWN published on 30.11.1989
Selected format:Steam corrosion testing of uranium dioxide pellets
WITHDRAWN published on 21.10.1989
Selected format:Latest update: 2026-01-25 (Number of items: 2 257 482)
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