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Standards GB - Chinese national standards - Page 5987
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 13922.1-1992
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Performance test for water treatment equipment General rules
WITHDRAWN published on 7.12.1992
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GB/T 13922.2-1992
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Performance test for water treatment equipment—Ion exchange equipment
WITHDRAWN published on 7.12.1992
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GB/T 13922.3-1992
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Performance test for water treatment equipment—Filter
WITHDRAWN published on 7.12.1992
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GB/T 13922.4-1992
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Performance test for boiler feed water treatment equipment—Deaerator
WITHDRAWN published on 7.12.1992
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GB/T 13923-1992
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Classify and codes for the national land information
WITHDRAWN published on 8.12.1992
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GB/T 13923-2006
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Specifications for feature classification and codes of fundamental geographic information
WITHDRAWN published on 24.5.2006
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GB/T 13924-1992
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Inspection code for accuracy of involute cylindrical gears
WITHDRAWN published on 10.12.1992
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GB/T 13925-1992
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Metallographs for high manganese cast steel
WITHDRAWN published on 10.12.1992
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GB/T 13925-2010
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Metallographs for high manganese cast steel
WITHDRAWN published on 23.12.2010
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GB/T 13926.1-1992
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Electromagnetic compatibility for industrial-process measurement and control equipment. General introduction
WITHDRAWN published on 1.1.1992
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