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Standards GB - Chinese national standards - Page 8908
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 7247-1995
WITHDRAWN
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Radiation safety of laser products, equipment classification, requirements and userguide
WITHDRAWN published on 1.1.1995
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GB 7247.1-2001
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Safety of laser products—Part 1:Equipment classification, requirements and user""s guide
WITHDRAWN published on 5.11.2001
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GB 7247.1-2012
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Safety of laser products—Part 1:Equipment classification and requirements
WITHDRAWN published on 31.12.2012
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GB/T 7247.13-2013
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Safety of laser products—Part 13:Measurements for classification of laser products
WITHDRAWN published on 17.12.2013
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GB/T 7247.14-2012
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Safety of laser products—Part 14:A user""s guide
WITHDRAWN published on 31.12.2012
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GB/T 7247.2-2018
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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WITHDRAWN published on 15.3.2018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
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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WITHDRAWN published on 29.8.2016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
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Laser guards
WITHDRAWN published on 29.8.2016
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GB/T 7247.5-2017
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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
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Safety requirements of electrical light source
WITHDRAWN published on 9.2.1987
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