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Standards GB - Chinese national standards - Page 7451
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
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GB/T 8491-1987
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Corrosion resistant high silicon iron castings
WITHDRAWN published on 28.12.1987
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GB/T 8492-2002
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Heat-resistant steel and alloy castings for general applications
WITHDRAWN published on 17.5.2002
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GB/T 8492-2014
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Heat-resistant steel and alloy castings for general applications
WITHDRAWN published on 3.9.2014
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GB/T 8493-1987
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Metallograph of cast carbon steels for general engineering purposes
WITHDRAWN published on 28.12.1987
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GB/T 8496-1987
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Basic parameters and methods of measurement on electronic tuner for receivers for television broadcast transmissions
WITHDRAWN published on 28.11.1987
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GB/T 8497-1987
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Evaluation indices of freight traffic quality in through transportation enterprise
WITHDRAWN published on 29.12.1987
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GB/T 8498-1999
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Earth-moving machinery—Basic types—Vocabulary
WITHDRAWN published on 6.12.1999
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GB/T 8498-2008
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Earth-moving machinery—Basic type—Identification and terms and definitions
WITHDRAWN published on 3.6.2008
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GB/T 85-1988
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Square set screws with long dog point
WITHDRAWN published on 24.6.1988
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GB/T 8506-1987
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Method of performance test for graders
WITHDRAWN published on 23.12.1987
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