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Standards GB - Chinese national standards - Page 792
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 17645.511-2010
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Industrial automation systems and integration - Parts library - Part 511: Mechanical systems and components for general useReference dictionary for fasteners
Standard published on 1.12.2010
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GB/T 17646-2017
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Small wind turbines
Standard published on 12.7.2017
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GB/T 17648-1998
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Insulating liquids--Determination of the Partial Discharge Inception Voltage (PDIV)--Test procedure
Standard published on 21.12.1998
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GB/T 17649-1998
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Duplicating machines--Registration
Standard published on 21.12.1998
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GB/T 17650.1-2021
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Test on gases evolved during combustion of materials from cables or optical fiber cables—Part 1Determination of the halogen acid gas content
Standard published on 30.4.2021
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GB/T 17650.2-2021
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Test on gases evolved during combustion of materials from cables or optical fiber cables—Part 2: Determination of acidity (by pH measurement) and conductivity
Standard published on 30.4.2021
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GB/T 17651.1-2021
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Measurement of smoke density of cables or optical fiber cables burning under defined conditions—Part 1: Test apparatus
Standard published on 30.4.2021
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GB/T 17651.2-2021
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Measurement of smoke density of cables or optical fiber cables burning under defined conditions—Part 2: Test procedure and requirements
Standard published on 30.4.2021
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GB 17654-1999
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Regional flag of Macao Special Administrative Region
Standard published on 1.2.1999
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GB 17655-2008
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Regional emblem of Macao Special Administrative Region
Standard published on 19.6.2008
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