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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
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WITHDRAWN published on 1.1.1984
Selected format:Marine cast iron flanged lift check valves
WITHDRAWN published on 24.5.1993
Selected format:Photometric characteristics of front and rear position lamps, end-outline marker lamps and stop lamps for motor vehicles and their trailers
WITHDRAWN published on 17.9.1999
Selected format:Photometric characteristics of front and rear position lamps,end-outline marker lamps and stop lamps for motor vehicles and their trailers
WITHDRAWN published on 31.12.2008
Selected format:Photometric characteristics of front and rear position lamps,end-outline marker lamps and stop lamps for motor vehicles and their trailers
WITHDRAWN published on 4.4.2019
Selected format:Motor vehicles and towed vehicles—Air braking systems—Identification of connections on units
WITHDRAWN published on 5.3.1986
Selected format:Motor vehicles and towed vehicles—Pressure test connection for compressed-air pneumatic braking equipment
WITHDRAWN published on 5.3.1986
Selected format:Test methods of fuel filters for automotive compression ignition engines
WITHDRAWN published on 5.3.1986
Selected format:Test values and classification of fuel fileters for automotive compression ignition engines
WITHDRAWN published on 5.3.1986
Selected format:Automotive mechanical transmission terminology and definition
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-04-26 (Number of items: 2 274 794)
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