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Standards GB - Chinese national standards - Page 5825
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 13006-1991
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NPSH for centrifugal, mixed flow and axial pumps
WITHDRAWN published on 23.3.1991
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GB/T 13007-1991
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Efficiencies for centrifugal pumps
WITHDRAWN published on 23.3.1991
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GB/T 13008-1991
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Technical specifications for mixed and axial flow pumps
WITHDRAWN published on 23.3.1991
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GB 13009-1991
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General use plywood of tropical broadleaved species
WITHDRAWN published on 3.5.1991
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GB 1301-1987
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Hollow rock drill steel
WITHDRAWN published on 1.1.1987
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GB/T 1301-1994
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Rock drilling equipment—Hollow drill steels in bar form
WITHDRAWN published on 13.6.1994
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GB/T 13010-1991
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Sliced veneer
WITHDRAWN published on 3.5.1991
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GB/T 13010-2006
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Sliced veneer
WITHDRAWN published on 18.5.2006
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GB 13011-1991
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Code for dust and poison control in the production of Zinc-Manganese batteries
WITHDRAWN published on 6.5.1991
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GB/T 13012-1991
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Solid steels—Methods of measurement of the d.c. magnetic properties
WITHDRAWN published on 22.6.1991
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