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Standards GB - Chinese national standards - Page 6807
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 17428-1998
WITHDRAWN
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Fire resistance test method of ventilation ducts
WITHDRAWN published on 15.7.1998
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GB/T 17428-2009
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Fire resistance test methods of ventilation ducts
WITHDRAWN published on 30.10.2009
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GB 17429-1998
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General technical conditions for fire indicating panels
WITHDRAWN published on 15.7.1998
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GB/T 1743-1979
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Method of test for gloss of paint films
WITHDRAWN published on 15.9.1979
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GB/T 17430-1998
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Estimating the maximum use temperature of thermal insulation
WITHDRAWN published on 15.7.1998
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GB/T 17431.1-1998
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Lightweight aggregates and its test methods—Part 1:Lightweight aggregates
WITHDRAWN published on 15.7.1998
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GB/T 17431.2-1998
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Lightweight aggregates and its test methods—Part 2:Test methods for lightweight aggregates
WITHDRAWN published on 15.7.1998
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GB/T 17432-1998
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Methods of sampling for analysing the chemical composition of wrought aluminum and aluminum alloy
WITHDRAWN published on 15.7.1998
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GB/T 17433-1998
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Foundation terms for chemical analysis of metallurgical products
WITHDRAWN published on 15.7.1998
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GB/T 17434-1998
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Specifications for ships""fire-resistant windows
WITHDRAWN published on 20.7.1998
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