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Standards GB - Chinese national standards - Page 7234
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/Z 24987-2010
WITHDRAWN
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Paper, board and pulps - Estimation of uncertainty for test methods
WITHDRAWN published on 9.8.2010
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GB/T 24988-2010
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Copy paper
WITHDRAWN published on 9.8.2010
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GB 2499-1981
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-
WITHDRAWN published on 1.1.1981
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GB/T 2499-1993
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Marine cast iron flange dual-row stop valves-case
WITHDRAWN published on 24.5.1993
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GB/T 24999-2010
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Paper and board—Highest limitation of brightness
WITHDRAWN published on 9.8.2010
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GB/T 25-1976
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Bolts, small hexagon head with holes through the head
WITHDRAWN published on 13.10.1976
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GBJ 25-1990
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Specifications for the design of construction in wet and depressive loess areas
WITHDRAWN published on 18.5.1990
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GB 250-1995
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Gray scale for assessing change in colour
WITHDRAWN published on 8.12.1995
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GB 2500-1981
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Flush valves for toilet in ships
WITHDRAWN published on 1.1.1981
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GB/T 25000.1-2010
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Software engineering—Software product Quality Requirements and Evaluation (SQuaRE)—Guide to SQuaRE
WITHDRAWN published on 2.9.2010
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