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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
Reciprocating pump for chemical industry -Technical condition
WITHDRAWN published on 1.1.1992
Selected format:Measurement of mechanical vibration for reciprocating pump
WITHDRAWN published on 30.1.1992
Selected format:The performance requirements and test methods for exhaust spark arrester of vehicle
WITHDRAWN published on 21.2.1992
Selected format:Caesium-137 gamma radiation source for industrial gauges
WITHDRAWN published on 2.2.1992
Selected format:Principles for the exemption of radiation sources and practices from regulatory control
WITHDRAWN published on 2.2.1992
Selected format:Specification of nuclear fuel rods for miniature neutron source reactor
WITHDRAWN published on 2.2.1992
Selected format:Determination of chlorine in uranium dioxide powders and pellets by pyrohydrolysis ion-selective electrode method
WITHDRAWN published on 2.2.1992
Selected format:Determination of copperironnickelmagnesiummanganese zinc and silver in uranium dioxide powders and pellets by atomic absorption spectrophotometry
WITHDRAWN published on 2.2.1992
Selected format:Determination of traceelements in uranium dioxide powders and pellets by ICP-AES
WITHDRAWN published on 2.2.1992
Selected format:Spectrographic analysis of uranium oxide (U3O8) by gallium oxide-carrier technique
WITHDRAWN published on 2.2.1992
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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