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Standards GB - Chinese national standards - Page 8509
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 6490.1-2005
WITHDRAWN
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Water-turbine pump—Part 1:Vocabulary
WITHDRAWN published on 8.6.2005
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GB/T 6490.2-1986
WITHDRAWN
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Testing methods of water-turbine pump
WITHDRAWN published on 12.6.1986
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GB/T 6490.2-2005
WITHDRAWN
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Water-turbine pump—Part 2:Test methods
WITHDRAWN published on 8.6.2005
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GB/T 6490.3-1986
WITHDRAWN
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Types and basic parameters of water-turbine pump
WITHDRAWN published on 9.10.1986
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GB/T 6490.3-2005
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Water-turbine pump—Part 3:Types and basic parameters
WITHDRAWN published on 8.6.2005
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GB/T 6491-1999
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Drying quality of sawn timber
WITHDRAWN published on 10.11.1999
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GB 6493-1986
WITHDRAWN
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Terrestrial standard solar cell
WITHDRAWN published on 1.1.1986
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GB/T 6493-1986
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Terrestrial standard solar cell
WITHDRAWN published on 18.6.1986
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GB/T 6494-1986
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Measurement procedures for electrical characteristics of astronautic solar cells
WITHDRAWN published on 18.6.1986
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GB 6495-1986
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Measurement procedures for electrical characteristics of terrestrial solar cells
WITHDRAWN published on 1.1.1986
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