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Standards GB - Chinese national standards - Page 6663
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 18781-2002
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Cultured pearl grading
WITHDRAWN published on 22.7.2002
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GB/T 18781-2008
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Cultured pearl grading
WITHDRAWN published on 19.8.2008
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GB/T 18782-2002
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Determination of 3-chloro-1,2-propandiol in condiments
WITHDRAWN published on 21.7.2002
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GB/T 18783-2002
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General purpose message
WITHDRAWN published on 18.7.2002
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GB/Z 18786-2002
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Contractor integrated technical information service(CITIS)
WITHDRAWN published on 18.7.2002
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GB/T 18787-2002
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General specification for electronic book reader
WITHDRAWN published on 18.7.2002
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GB/T 18788-2002
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General specification for flatbed scanners
WITHDRAWN published on 18.7.2002
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GB/T 18789-2002
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General specification for automated teller machine (ATM)
WITHDRAWN published on 18.7.2002
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GB 1879-1980
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Analysis of the potassium oxide content in phosphorus concentrates and phosphorus minerals
WITHDRAWN published on 1.1.1980
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GB/T 18790-2002
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Requirements and test procedure of on-line handwriting Chinese ideogram recognition
WITHDRAWN published on 18.7.2002
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