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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
Permissible levels and test methods of bus internal noise
WITHDRAWN published on 10.1.2011
Selected format:-
WITHDRAWN published on 1.1.1981
Selected format:Technical cresol
WITHDRAWN published on 17.3.1997
Selected format:Rear-marking plates for vehicles and their trailers
WITHDRAWN published on 10.1.2011
Selected format:Automotive headlamps with LED light sources and/or LED modules
WITHDRAWN published on 10.1.2011
Selected format:Permeable paving bricks&permeable paving flags
WITHDRAWN published on 10.1.2011
Selected format:Test method for thermal insulations on external stress corrosion cracking of austenitic stainless steel
WITHDRAWN published on 10.1.2011
Selected format:Polyisocyanurate products for thermal insulation
WITHDRAWN published on 10.1.2011
Selected format:Mineral wool decorating and acoustic ceilings
WITHDRAWN published on 10.1.2011
Selected format:Bolts, small hexagon head with fit neck and holes through the head
WITHDRAWN published on 13.10.1976
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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