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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
Rubber—Identification of polymers—Chemical method
WITHDRAWN published on 28.8.2001
Selected format:Rotary shaft lip seals—Design criteria for standard applications—Part 1:rubber covered rotary shaft lip seals
WITHDRAWN published on 20.9.1988
Selected format:Rotary shaft lip seals—Design criteria for standard applications—Part 2:metal cased rotary shaft lip seals
WITHDRAWN published on 20.9.1988
Selected format:Rotary shaft lip seals—Design criteria for standard applications—Part 3:assembled rotary shaft lip seals
WITHDRAWN published on 20.9.1988
Selected format:Belt conveyor pulleys—Basic parameters and dimensions
WITHDRAWN published on 4.2.1991
Selected format:Fluid power systems and components-Multiple lip packing sets-Methods for measuring stack heights
WITHDRAWN published on 19.5.1988
Selected format:Rubber and rubber products general-purpose terms
WITHDRAWN published on 20.9.1988
Selected format:Rubber—Vocabulary
WITHDRAWN published on 10.1.2003
Selected format:Reclaimed rubber terms and definitions
WITHDRAWN published on 20.9.1988
Selected format:Terms of rubber products for foodstuff and medicine
WITHDRAWN published on 20.9.1988
Selected format:Latest update: 2024-12-23 (Number of items: 2 217 157)
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