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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
General specification of microprocessor-based protection equipment for electrified railway traction power supply system
WITHDRAWN published on 3.4.2000
Selected format:Electromagnetic compatibility—Environment—Classification of electromagnetic environments
WITHDRAWN published on 3.4.2000
Selected format:Electromagnetic compatibility—Environment—Eompatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
WITHDRAWN published on 21.2.2003
Selected format:Electromagnetic compatibility—Environment—Compatibility levels in industrial plants for low-frequency conducted disturbances
WITHDRAWN published on 21.2.2003
Selected format:Provision of emergency medical supplies and equipment at civil aviation transportation airport
WITHDRAWN published on 5.4.2000
Selected format:Requirement of airports facilities for emergency medical services
WITHDRAWN published on 7.4.2008
Selected format:Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry
WITHDRAWN published on 5.4.2000
Selected format:Jewellery—Determination of precious metal content—Method using X-Ray fluorescence spectrometry
WITHDRAWN published on 31.12.2008
Selected format:Carpet—Assessment of static electrical propensity—Analogue walking test
WITHDRAWN published on 5.4.2000
Selected format:Ground granulated blast furnace slag used for cement and concrete
WITHDRAWN published on 3.4.2000
Selected format:Latest update: 2024-09-28 (Number of items: 2 350 600)
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