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Standards GB - Chinese national standards - Page 539
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 1563-2017
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Taper keys—Cross section dimensions of keyways
Standard published on 28.2.2017
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GB 15630-1995
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Requirements for the placement of fire safety signs
Standard published on 19.7.1995
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GB 15631-2008
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Special type fire detectors
Standard published on 1.9.2008
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GB/T 15632-2008
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General specifications of wire holding tools for live working
Standard published on 30.12.2008
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GB/T 15636-2008
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Thickness gauges utilizing ionizing radiation
Standard published on 2.7.2008
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GB/T 15637-2012
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General specification for calibrator of digital multimeter
Standard published on 31.12.2012
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GB/T 1564-2003
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Taper keys for general use
Standard published on 5.6.2003
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GB/T 15643-1995
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General specification for non-broadcast video tape recorders
Standard published on 24.7.1995
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GB/T 15645-1995
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Interconnection between video tape recorders and attached instruments
Standard published on 24.7.1995
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GB/T 15646-1995
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Generic specification for the transport mechanism of VHS video tape recorders
Standard published on 24.7.1995
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