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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
Types and basic parameters of water-turbine pump
WITHDRAWN published on 9.10.1986
Selected format:Water-turbine pump—Part 3:Types and basic parameters
WITHDRAWN published on 8.6.2005
Selected format:Drying quality of sawn timber
WITHDRAWN published on 10.11.1999
Selected format:Astronautic standard solar cell
WITHDRAWN published on 18.6.1986
Selected format:Terrestrial standard solar cell
WITHDRAWN published on 1.1.1986
Selected format:Terrestrial standard solar cell
WITHDRAWN published on 18.6.1986
Selected format:Measurement procedures for electrical characteristics of astronautic solar cells
WITHDRAWN published on 18.6.1986
Selected format:Measurement procedures for electrical characteristics of terrestrial solar cells
WITHDRAWN published on 1.1.1986
Selected format:Photovoltaic devices--Part 1:Measurement of photovoltaic current-voltage characteristics
WITHDRAWN published on 9.7.1996
Selected format:Photovoltaic devices - Part 10Methods of linearity measurement
WITHDRAWN published on 31.12.2012
Selected format:Latest update: 2026-11-04 (Number of items: 2 209 068)
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