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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
Test procedure on working site for measuring the loading percentage of a three-phase induction motor
WITHDRAWN published on 14.3.1988
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Quality steel wire ropes
WITHDRAWN published on 1.1.1988
Selected format:Steel wire ropes
WITHDRAWN published on 5.4.1996
Selected format:Quality wire for steelwire ropes use
WITHDRAWN published on 1.1.1988
Selected format:Wire for steel wire ropes use
WITHDRAWN published on 5.4.1996
Selected format:Food additive--Packing of sodium carbonate
WITHDRAWN published on 1.1.1988
Selected format:Limit standard of radioactive Ra-226 in phosphate fertilizer
WITHDRAWN published on 11.3.1988
Selected format:Radiological health protection standard for using sealed radioactive sources in oil and gas-fild logging
WITHDRAWN published on 11.3.1988
Selected format:Rust grades and preparation grades ofsteel surfaces before application of paints and related products
WITHDRAWN published on 21.3.1988
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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