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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
Requirements of the greenhouse gas emission accounting and reporting—Part 9:Ceramic production enterprise
WITHDRAWN published on 19.11.2015
Selected format:Coal-based needle coke
WITHDRAWN published on 9.10.2015
Selected format:Test methods for centrifugalmixed flowaxial and regenerative pumps
WITHDRAWN published on 31.3.1989
Selected format:Rotodynamic pumps—Hydraulic performance acceptance tests—Grades 1 and 2
WITHDRAWN published on 19.9.2005
Selected format:Water saving enterprises—Monosodium L-glutamate industry
WITHDRAWN published on 13.10.2015
Selected format:Personal protective equipment—Eye and face protection—Occupational eye and face protectors—Part 1:Requirements
WITHDRAWN published on 24.2.2016
Selected format:Methods of test of the magnetic properties of permanent magnetic (magnetically hard) materials
WITHDRAWN published on 18.1.1992
Selected format:Specification and testing for 5D general purpose containers
WITHDRAWN published on 11.10.1982
Selected format:Aluminium alloy welding wires for railway application
WITHDRAWN published on 10.12.2015
Selected format:Aluminium and aluminium alloy plates and sheets for railway application
WITHDRAWN published on 10.12.2015
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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