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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
Marine emergency piston type air compressor
WITHDRAWN published on 17.4.1993
Selected format:Parallel shank twist drills
WITHDRAWN published on 1.1.1985
Selected format:Fixing arc step aluminium alloy accommodation ladders
WITHDRAWN published on 17.4.1993
Selected format:Turning device for aluminium accomodation ladders
WITHDRAWN published on 17.4.1993
Selected format:Measurement of lubricant oil consumption for diesel engines
WITHDRAWN published on 17.4.1993
Selected format:Marine intermediate shafting sliding bearing
WITHDRAWN published on 17.4.1993
Selected format: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WITHDRAWN published on 17.3.1993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WITHDRAWN published on 17.3.1993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WITHDRAWN published on 17.3.1993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WITHDRAWN published on 17.3.1993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:Latest update: 2026-07-28 (Number of items: 2 290 396)
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