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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
Terminology for nondestructive testing Magnetic particle testing
WITHDRAWN published on 18.12.1990
Selected format:Non-destructive testing—Terminology—Terms used in magnetic particle testing
WITHDRAWN published on 13.5.2008
Selected format:Terminology for nondestructive testing Eddy current testing
WITHDRAWN published on 18.12.1990
Selected format:Non-destructive testing—Terminology—Terms used in eddy current testing
WITHDRAWN published on 30.7.2008
Selected format:Terminology for nondestructive testing—Leak testing
WITHDRAWN published on 20.12.1995
Selected format:Non-destructive testing—Terminology—Terms used in leak testing
WITHDRAWN published on 6.5.2014
Selected format:Terminology for nondestructive testing—Neutron testing
WITHDRAWN published on 20.12.1995
Selected format:Terminology for nondestructive testing—Infrared testing
WITHDRAWN published on 10.4.1996
Selected format:Non-destructive testing—Terminology—Terms used in infrared testing
WITHDRAWN published on 26.9.2008
Selected format:Methods of radiographic inspection and quality classification of circumferential fusion welded butt joints in steel pipes and tubes
WITHDRAWN published on 18.12.1990
Selected format:Latest update: 2026-04-05 (Number of items: 2 271 011)
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