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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
Soldering fluxes—Inorganic fluxes
WITHDRAWN published on 13.12.1995
Selected format:Standard of colour TV image transmission
WITHDRAWN published on 4.9.1979
Selected format:Methods of ultrasonic inspection and result classification of circumferential butt welds in steel pipes and tubes
WITHDRAWN published on 13.12.1995
Selected format:Steel tube scaffold couplers
WITHDRAWN published on 14.12.1995
Selected format:Steel tube scaffold couplers
WITHDRAWN published on 12.9.2006
Selected format:General specifications for forestry wheeled and tracklaying tractors
WITHDRAWN published on 14.12.1995
Selected format:Test methods for forestry wheeled and tracklaying tractors
WITHDRAWN published on 14.12.1995
Selected format:Use of punctuations marks
WITHDRAWN published on 13.12.1995
Selected format:General rules for writing numerals in publications
WITHDRAWN published on 13.12.1995
Selected format:Technical requirements and testing methods for 450MHz same-frequency simplex train radio dispatching communication equipment locomotive station
WITHDRAWN published on 13.12.1995
Selected format:Latest update: 2024-09-20 (Number of items: 2 351 328)
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