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Standards GB - Chinese national standards - Page 8552
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 7247.2-2018
WITHDRAWN
Show all technical information.
Safety of laser products—Part 2:Safety of optical fibre communication systems(OFCS)
WITHDRAWN published on 15.3.2018
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GB/T 7247.3-2016
WITHDRAWN
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Safety of laser products—Part 3:Guidance for laser display and shows
WITHDRAWN published on 29.8.2016
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GB/T 7247.4-2016
WITHDRAWN
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Laser guards
WITHDRAWN published on 29.8.2016
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GB/T 7247.5-2017
WITHDRAWN
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Safety of laser products—Part 5:Manufacturer’s checklist for GB 7247.1
WITHDRAWN published on 29.12.2017
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GB 7248-1987
WITHDRAWN
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Safety requirements of electrical light source
WITHDRAWN published on 9.2.1987
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GB/T 7249-1987
WITHDRAWN
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Maximum lamp outlines for general lighting lamps
WITHDRAWN published on 9.2.1987
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GB/T 7249-2002
WITHDRAWN
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Maximum lamp outlines for incandescent lamps
WITHDRAWN published on 5.8.2002
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GB/T 7249-2008
WITHDRAWN
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Maximum lamp outlines for incandescent lamps
WITHDRAWN published on 31.12.2008
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GB/T 725-1991
WITHDRAWN
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Internal combustion engines—Nomenclature and code of designations
WITHDRAWN published on 22.3.1991
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GB 7250-1987
WITHDRAWN
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Methods of measurement of lamp cap temperature rise
WITHDRAWN published on 1.1.1987
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