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Standards GB - Chinese national standards - Page 6520
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 17219-1998
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Standard for safety evaluation of equipment and protective materials in drinking water system
WITHDRAWN published on 21.1.1998
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GB/T 17220-1998
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Technical rules of health monitoring for public places
WITHDRAWN published on 21.1.1998
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GB/T 17221-1998
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Discriminant standard for health hazard area caused by environmental cadmium pollution
WITHDRAWN published on 21.1.1998
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GB/T 17222-1998
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Health protection zone standard for coal gas plant
WITHDRAWN published on 21.1.1998
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GB/T 17223-1998
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Health standard of daily learning time for elementary school children
WITHDRAWN published on 21.1.1998
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GB/T 17224-1998
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Health standard of daily learning time for secondary school students
WITHDRAWN published on 21.1.1998
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GB/T 17225-1998
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Standard of heating temperature for classroom of elementary and second school
WITHDRAWN published on 21.1.1998
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GB/T 17226-1998
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Health standard of classroom ventilation in elementary and secondary school
WITHDRAWN published on 21.1.1998
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GB/T 17227-1998
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Health standard of textbook for elementary and secondary school student
WITHDRAWN published on 21.1.1998
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GB/T 17236-1998
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The operating procedures of pig-slaughtering
WITHDRAWN published on 2.3.1998
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