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Standards GB - Chinese national standards - Page 5755
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 17394-1998
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Metallic materials—Leeb hardness test
WITHDRAWN published on 28.5.1998
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GB/T 17394.2-2012
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Metallic materials—Leeb hardness test—Part 2:Verification and calibration of hardness testers
WITHDRAWN published on 31.12.2012
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GB/T 17394.3-2012
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Metallic materials—Leeb hardness test—Part 3:Calibration of reference blocks
WITHDRAWN published on 31.12.2012
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GB/T 17395-1998
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Dimensionsshapesmasses and tolerances of seamless steel tubes
WITHDRAWN published on 28.5.1998
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GB/T 17396-1998
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Seamless hot—Rolled steel tubes for hydraulic pillar service
WITHDRAWN published on 28.5.1998
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GB/T 17396-2009
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Hot-rolled seamless steel tubes for hydraulic pillar service
WITHDRAWN published on 30.10.2009
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GB/T 17397-1998
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Code of dust and poison control for aluminium electrowinning
WITHDRAWN published on 4.6.1998
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GB/T 17398-1998
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Code of dust and poison control for lead smelting
WITHDRAWN published on 4.6.1998
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GB 17399-1998
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Hygienic standard for chewing gum
WITHDRAWN published on 5.5.1998
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GB 17399-2003
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Hygienic standard for chewing gum
WITHDRAWN published on 24.9.2003
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