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Standards GB - Chinese national standards - Page 216
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 12660-2008
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Pulps - Determination of drainability -“Canadian Standard”freeness method
Standard published on 19.8.2008
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GB/T 12661-2008
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Paper and board - Determination of microbiological properties - Total bacterial count
Standard published on 19.8.2008
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GB 12662-2008
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Disruptor
Standard published on 24.9.2008
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GB 12663-2019
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Intrusion and hold-up systems—Control and indicating equipment
Standard published on 14.10.2019
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GB 12664-2024
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Technical specifications for portable X-ray security inspection equipment
Standard published on 23.8.2024
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GB/T 12665-2017
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Requirements of damp-heat testing of electrical machine for service in general environmental condition
Standard published on 1.11.2017
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GB/T 12666.1-2008
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Test method on a single wire or cable under fire conditions - Part 1: Vertical specimen flame test
Standard published on 30.6.2008
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GB/T 12666.2-2008
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Test method on a single wire or cable under fire conditions - Part 2: Horizontal specimen flame test
Standard published on 30.6.2008
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GB/T 12666.3-2008
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Test method on a single wire or cable under fire conditions - Part 3: Slanting specimen flame test
Standard published on 30.6.2008
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GB/T 12667-2012
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General specification for excitation assembly with semiconductors for synchronous motors
Standard published on 29.6.2012
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