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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
Hardmetal burrs technical specifications
WITHDRAWN published on 27.5.1988
Selected format:Reels for 35mm motion picture projectors--Dimensions
WITHDRAWN published on 26.5.1988
Selected format:Reels for 35mm motion picture projectors-Dimensions
WITHDRAWN published on 31.5.2005
Selected format:Preservatively-treated sleeper
WITHDRAWN published on 31.5.1988
Selected format:Strength calculation of pressure parts for watertube boilers
WITHDRAWN published on 6.6.1988
Selected format:Strength calculation of pressure parts for watertube boilers
WITHDRAWN published on 31.1.2008
Selected format:General principles of reliability analysis for nuclear power plant safety systems
WITHDRAWN published on 26.4.1999
Selected format:Acorn nuts
WITHDRAWN published on 23.6.1988
Selected format:Direct-reading electroscope-type radiation dosimetric meters--Part 2: Chargers
WITHDRAWN published on 27.1.1995
Selected format:Application of digital computers to nuclear reactor instrumentation and control
WITHDRAWN published on 5.2.1988
Selected format:Latest update: 2024-09-06 (Number of items: 2 346 102)
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