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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
Inspecting method for sterilizing effect of automated autoclave sterilizer
WITHDRAWN published on 12.1.1988
Selected format:Rolled solid wheels for railway
WITHDRAWN published on 7.1.1988
Selected format:22 Hat shape steel
WITHDRAWN published on 1.1.1988
Selected format:310 Z Shape steel
WITHDRAWN published on 1.1.1988
Selected format:Metal wire for industrial wire screens and woven wire cloth
WITHDRAWN published on 1.1.1988
Selected format:Hydraulic fluid power--Quick action couplings--Thread connecting dimensions
WITHDRAWN published on 23.1.1988
Selected format:High gluten wheat flour
WITHDRAWN published on 25.1.1988
Selected format:Low gluten wheat flour
WITHDRAWN published on 25.1.1988
Selected format:Sweet potato flakes for fermentation industry
WITHDRAWN published on 25.1.1988
Selected format:Sweet potato flakes for starch industry
WITHDRAWN published on 25.1.1988
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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