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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
Acoustics—Measurement of noise emitted by stationary road vehicles
WITHDRAWN published on 17.3.1993
Selected format:Acoustics—Determination of occupational noise exposure and estimation of noise-induced hearing impairment
WITHDRAWN published on 17.3.1993
Selected format:Acoustics—Determination of sound power levels of noise sources—Guide lines for the use of basic standards and for the preparation of noise test codes
WITHDRAWN published on 17.3.1993
Selected format:Acoustics—Measurement method of insertion loss and echo reduction for the underwater acoustical material sample
WITHDRAWN published on 17.3.1993
Selected format:Long parallel shank twist drills
WITHDRAWN published on 1.1.1985
Selected format:Anchorage,grip and coupler for prestressing tendons
WITHDRAWN published on 17.11.2000
Selected format:Anchorage,grip and coupler for prestressing tendons
WITHDRAWN published on 11.9.2007
Selected format:Transport of dangerous goods—Specification on the classification procedure for explosives
WITHDRAWN published on 3.5.1993
Selected format:Transport of dangerous goods—Specification on the acceptance and classification procedure and the requirement of compatibility for explosives
WITHDRAWN published on 6.9.2005
Selected format:Transport of dangerous goods—Specification on the acceptance and classification procedure and the requirement of compatibility for explosives
WITHDRAWN published on 27.11.2013
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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