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Standards GB - Chinese national standards - Page 144
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 11874-1989
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Direction of opening and symbolic designation of marine doors and windows
Standard published on 2.12.1989
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GB/T 11875-2010
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Marine rate of turn indicators
Standard published on 2.9.2010
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GB/T 11880-2024
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Die-blocks used for die-forging hammers and large mechanical forging presses
Standard published on 29.9.2024
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GB/T 11881-2006
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Shuttlecocks
Standard published on 31.3.2006
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GB/T 11883-2017
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General technical specification for electronic crane and hanging scale
Standard published on 14.10.2017
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GB/T 11884-2008
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Spring dial scale
Standard published on 30.12.2008
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GB/T 11885-2015
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Automatic rail-weighbridges
Standard published on 11.9.2015
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GB/T 11886-2015
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Silver jewellery alloys—Determination of sliver—Volhard method
Standard published on 2.6.2015
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GB 11887-2012
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Jewellery - Fineness of precious metal alloys and designation
Standard published on 5.11.2012
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GB/T 11888-2021
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Jewellery—Ring-size—Definition, measurement and designation
Standard published on 11.10.2021
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