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Standards GB - Chinese national standards - Page 7342
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 2799-1981
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Types and dimensions of pin caps
WITHDRAWN published on 1.1.1981
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GB 2799-1981
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Types and dimensions of pinfocus cops
WITHDRAWN published on 4.11.1981
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GB 2799-2001
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Types and dimensions of pin lamp caps
WITHDRAWN published on 5.11.2001
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GB/T 27993-2011
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General technical conditions for stage measuring instruments
WITHDRAWN published on 30.12.2011
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GB 27995.1-2011
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Semi-finished spectacle lens blanks - Part 1: Specifications for single-vision and multifocal lens blanks
WITHDRAWN published on 30.12.2011
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GB 27995.2-2011
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Semi-finished spectacle lens blanks - Part 2: Specifications for progressive power lens blanks
WITHDRAWN published on 30.12.2011
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GB/T 27996-2011
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All terrain crane
WITHDRAWN published on 30.12.2011
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GB/T 27996-2011E
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All terrain crane
WITHDRAWN published on 30.12.2011
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GB 27999-2011
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Fuel consumption evaluation methods and targets for passenger cars
WITHDRAWN published on 30.12.2011
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GB 27999-2014
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Fuel consumption evaluation methods and targets for passenger cars
WITHDRAWN published on 22.12.2014
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