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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
Color printer
WITHDRAWN published on 1.1.1989
Selected format:Color printer and processor
WITHDRAWN published on 9.9.2005
Selected format:Color module
WITHDRAWN published on 31.3.1989
Selected format:Color film processor
WITHDRAWN published on 31.3.1989
Selected format:Color film processor
WITHDRAWN published on 8.10.2002
Selected format:Color paper processor
WITHDRAWN published on 31.3.1989
Selected format:Color analyzer
WITHDRAWN published on 31.3.1989
Selected format:Overhead projectors--Projection stages dimensions
WITHDRAWN published on 1.1.1989
Selected format:Overhead projectors--Transparencies and transparency frames dimensions
WITHDRAWN published on 1.1.1989
Selected format:Overhead projectors--Film rolls, cores and winders dimensions
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-01-28 (Number of items: 2 257 539)
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