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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
Technical requirements of shipborne automatic identification system
WITHDRAWN published on 10.1.2006
Selected format:General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision
WITHDRAWN published on 15.12.1987
Selected format:General rules for the sampling and sample preparation of minerals in bulk—Experimental method for checking the bias of sampling
WITHDRAWN published on 15.12.1987
Selected format:Performance and measurement method for braking of motorcycles and mopeds
WITHDRAWN published on 18.1.2006
Selected format:External projections from motorcycles and mopeds
WITHDRAWN published on 18.1.2006
Selected format:Passenger hand-holds on motorcycles
WITHDRAWN published on 18.1.2006
Selected format:Measurement methods of maximum torque and maximum net power of engines for motorcycles and mopeds
WITHDRAWN published on 18.1.2006
Selected format:Copper and copper alloys—Forgings
WITHDRAWN published on 23.1.2006
Selected format:Hydraulic fluid power—Filters element—General specification
WITHDRAWN published on 23.1.2006
Selected format:Pneumatic fluid power—Compressed air pressure regulators and filter-regulators—Part 1:Main characteristics to be included in literature from suppliers and product-marking requirements
WITHDRAWN published on 23.1.2006
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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