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Standards GB - Chinese national standards - Page 7914
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 4885-1985
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One-sided reliability confidence lower limit (Normal distribution complete sample)
WITHDRAWN published on 29.1.1985
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GB/T 4886-1985
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Control charts for arithmetic mean with warning limits
WITHDRAWN published on 29.1.1985
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GB/T 4887-1985
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Cusum charts for counted/attributes data
WITHDRAWN published on 29.1.1985
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GB/Z 4887-2006
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Cumulative sum charts—Guidance on quality control and data analysis using CUSUM techniques
WITHDRAWN published on 24.5.2006
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GB/T 4888-1985
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Terms and symbols of fault tree
WITHDRAWN published on 29.1.1985
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GB/T 4889-1985
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Statistical interpretation of data—Techniques of estimation and tests relating to means and variances of normal distributions
WITHDRAWN published on 29.1.1985
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GB 489-1986
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Petrol (Gasoline)
WITHDRAWN published on 1.1.1986
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GB/T 4891-1985
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Choice of sample size to estimate the average quality of a lot or process
WITHDRAWN published on 29.1.1985
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GB 4892-1985
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Dimensions of rigid rectangular packages--Transport packages
WITHDRAWN published on 1.1.1985
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GB/T 4892-1996
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Dimensions of rigid rectangular packages—Transport packages
WITHDRAWN published on 9.7.1996
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