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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
Names of Chinese main imported woods
WITHDRAWN published on 12.11.2001
Selected format:Safety code for wood-based panel machinery
WITHDRAWN published on 12.11.2001
Selected format:Chain saws—Measurement of cutting rate and fuel consumption—Engineering method
WITHDRAWN published on 12.11.2001
Selected format:Terminology of refrigeration
WITHDRAWN published on 12.11.2001
Selected format:Marine steel flanged steam pressure reducing valves
WITHDRAWN published on 24.5.1993
Selected format:General specification for hydrometric instruments—Part 1:General rules
WITHDRAWN published on 27.1.2003
Selected format:General specification for hydrometric instruments—Part 2:Referential operating condition
WITHDRAWN published on 9.9.2002
Selected format:General specification for hydrologic instruments—Part 3:Basic performance and description method
WITHDRAWN published on 12.11.2001
Selected format:General specification for hydrometric instrument—Part 4:Basic requirements of structure
WITHDRAWN published on 9.9.2002
Selected format:General specification for hydrometric instrument—Part 6:Inspection regulation, mark, package, transportation, storage and operation manual
WITHDRAWN published on 24.12.2007
Selected format:Latest update: 2025-07-16 (Number of items: 2 208 753)
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