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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
Electrical apparatus for use in the presence of combustible dust—Part 9:Test methods—Method for determining the electrical resistivity of dust in layers
WITHDRAWN published on 9.8.2010
Selected format:Buses--Ride comfort--Evaluation value and limits
WITHDRAWN published on 1.1.1990
Selected format:Dust proof performance—Test method for buses
WITHDRAWN published on 8.9.1990
Selected format:Dust proof performance limit for buses
WITHDRAWN published on 1.1.1990
Selected format:Rain proof performance test mothod for buses
WITHDRAWN published on 8.9.1990
Selected format:-
WITHDRAWN published on 1.1.1990
Selected format:Side window flat glasses systematization for buses
WITHDRAWN published on 1.1.1990
Selected format:Buses-Windscreen and rear window glass--Systematization
WITHDRAWN published on 1.1.1990
Selected format:Terms for the bus body
WITHDRAWN published on 1.1.1990
Selected format:Geological instruction of talc deposit exploration
WITHDRAWN published on 12.9.1990
Selected format:Latest update: 2026-01-01 (Number of items: 2 253 680)
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