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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
Cylindrical cutters—Part 1:The types and dimensions
WITHDRAWN published on 30.5.2002
Selected format:Cylindrical cutters—Part 2:The technical specifications
WITHDRAWN published on 30.5.2002
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Transmissible pressure gauge
WITHDRAWN published on 1.1.1989
Selected format:Parameters testing method of laser power meter in low range
WITHDRAWN published on 31.3.1989
Selected format:General specification for push button in ships
WITHDRAWN published on 1.1.1989
Selected format:General specification for indicator light in ships
WITHDRAWN published on 25.11.1988
Selected format:Specifications for microphotographic lenses
WITHDRAWN published on 1.1.1989
Selected format:Method for measuring the screen luminance and contrast of microform readers
WITHDRAWN published on 1.1.1989
Selected format:Specification for high temperature test chambers
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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