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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
High-speed dental bur
WITHDRAWN published on 1.1.1989
Selected format:Technological specifications for periodic inspection station of gas cylinders
WITHDRAWN published on 10.10.1999
Selected format:Arrester for dissolved acetylene cylinders
WITHDRAWN published on 29.12.1989
Selected format:Method for pneumatic testing of cylinders
WITHDRAWN published on 1.1.1989
Selected format:Method for leakage test of gas cylinders
WITHDRAWN published on 26.4.2002
Selected format:Measuring method for performance of bag filter
WITHDRAWN published on 29.12.1989
Selected format:Textile machinery and accessories--Bearings for bottom rollers and allied dimensions
WITHDRAWN published on 1.1.1989
Selected format:Vernier calipers
WITHDRAWN published on 1.1.1985
Selected format:The specification for callipers of vernier type
WITHDRAWN published on 5.7.1996
Selected format:The vernier callipers for callipers of vernier type
WITHDRAWN published on 5.7.1996
Selected format:Latest update: 2025-11-09 (Number of items: 2 243 571)
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