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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
Non-destructive testing—Practice for the blades on-line monitoring based on tip-timing theory
WITHDRAWN published on 13.12.2016
Selected format:Short-circuit calculations for marine alternating current power systems
WITHDRAWN published on 1.1.1982
Selected format:Non-destructive testing—Test method for determining residual stresses by electromagnetic technology
WITHDRAWN published on 13.12.2016
Selected format:Non-destructive testing—Practice for strain monitoring based on fiber sensing technology
WITHDRAWN published on 13.12.2016
Selected format:Non-destructive testing—Practice for equipment health monitoring based on fiber sensing technology
WITHDRAWN published on 13.12.2016
Selected format:The basic parameters and sizes of colliery wagons--Solid bottom type
WITHDRAWN published on 1.1.1982
Selected format:The basic parameters and sizes of colliery wagons--Automatic drop bottom type
WITHDRAWN published on 1.1.1982
Selected format:The basic parameters and sizes of colliery wagons--Material supply wagons
WITHDRAWN published on 1.1.1982
Selected format:The basic parameters and sizes of colliery wagons--Flat deck type
WITHDRAWN published on 1.1.1982
Selected format:Methods for radiographic inspection and classification of radiographs for fusion welded butt joints in steel
WITHDRAWN published on 13.7.1987
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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