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Standards GB - Chinese national standards - Page 7252
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 25074-2017
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Solar-grade polycrystalline silicon
WITHDRAWN published on 1.11.2017
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GB/T 25076-2010
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Monocrystalline silicon of solar cell
WITHDRAWN published on 2.9.2010
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GB/T 2508-1989
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Marine combination pipe flanges, slip-on steel outer flanges, fillet weld-on steel inner flanges
WITHDRAWN published on 27.3.1989
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GB/T 25080-2010
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Niobium-Titannium alloy billet,bar and rod for superconducting applications
WITHDRAWN published on 2.9.2010
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GB/T 25085-2010
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Road vehicles—60 V and 600 V single-core cables
WITHDRAWN published on 2.9.2010
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GB/T 25089-2010
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Road vehicles—Data cables
WITHDRAWN published on 2.9.2010
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GB/T 2509-1981
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Copper alloy integrated shaft sleeves for plain bearings--Types, dimensions and tolerances
WITHDRAWN published on 3.3.1981
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GB/T 25095-2010
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Monitoring system of operating status for overhead transmission lines
WITHDRAWN published on 2.9.2010
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GB 251-1995
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Gray scale for assessing staining
WITHDRAWN published on 8.12.1995
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GB/T 2510-1981
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Copper alloy integrated shaft sleeves for plain bearings with gears--Types, dimensions and tolerances
WITHDRAWN published on 3.3.1981
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