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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—Measurement of vulcanization characteristics with the oscillating disc curemeter
WITHDRAWN published on 26.9.1997
Selected format:Belt conveyors—Basic parameters and dimensions
WITHDRAWN published on 4.2.1991
Selected format:Elastomers—General requirements for dynamic testing
WITHDRAWN published on 20.9.1988
Selected format:Rubber,vulcanized—Determination of ageing characteristics by measurement of stress at a given elongation
WITHDRAWN published on 20.9.1988
Selected format:Rubber--Determination of lead content--Dithizone photometric method
WITHDRAWN published on 20.9.1988
Selected format:Rubber—Determination of lead content—Dithizone photomotric method
WITHDRAWN published on 15.10.2002
Selected format: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WITHDRAWN published on 28.8.2001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WITHDRAWN published on 20.9.1988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WITHDRAWN published on 20.9.1988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WITHDRAWN published on 20.9.1988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:Latest update: 2024-09-01 (Number of items: 2 345 425)
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