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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
Basic terms of surveying and mapping
WITHDRAWN published on 14.1.1994
Selected format:Specifications for computer-aided mapping of large-scale topographic maps
WITHDRAWN published on 14.1.1994
Selected format:Specifications for 1:500 1:1000 1:2000 field digital mapping
WITHDRAWN published on 19.4.2005
Selected format:Digital electronic d.c.voltmeters and d.c.electronic analogue-to-digital convertors
WITHDRAWN published on 11.1.1994
Selected format:The specification for offshore observations
WITHDRAWN published on 11.1.1994
Selected format:The specification for offshore observations
WITHDRAWN published on 16.2.2006
Selected format:The terms of electronic data interchange
WITHDRAWN published on 11.1.1994
Selected format:Identification cards—Physical characteristics
WITHDRAWN published on 11.1.1994
Selected format:Identification cards—Physical characteristics
WITHDRAWN published on 14.3.2006
Selected format:Earth-moving machinery—Service instrumentation
WITHDRAWN published on 11.1.1994
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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