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Standards GB - Chinese national standards - Page 7556
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 7408-2005
WITHDRAWN
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Data elements and interchange formats—Information interchange—Representation of dates and times
WITHDRAWN published on 28.3.2005
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GB/T 7409.1-1997
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Excitation system for synchronous electrical machines—Definitions
WITHDRAWN published on 10.4.1997
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GB/T 7409.1-2008
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Excitation systems for synchronous electrical machines - Definitions
WITHDRAWN published on 18.6.2008
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GB/T 7409.2-1997
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Excitation system for synchronous electrical machines—Model for power system studies
WITHDRAWN published on 10.4.1997
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GB/T 7409.2-2008
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Excitation systems for synchronous machines—Models for power system studies
WITHDRAWN published on 18.6.2008
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GB/T 7409.3-1997
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Excitation system for synchronous electrical machines—Technical requirements of excitation system for large and medium synchronous generators
WITHDRAWN published on 10.4.1997
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GB/T 741-1989
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Pulps--Determination of moisture content
WITHDRAWN published on 22.2.1989
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GB/T 741-2003
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Pulps—Determination of moisture content
WITHDRAWN published on 25.8.2003
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GB 7411-1987
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Plant quarantine rules for producing areas of stock (superior) cotton seed
WITHDRAWN published on 14.3.1987
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GB 7412-1987
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Plant quarantine rules for producing areas of wheat seed
WITHDRAWN published on 14.3.1987
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