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Standards GB - Chinese national standards - Page 512
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 15255-2015
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Rubber, vulcanized—Test method for artificial weathering—Carbon-arc lamp
Standard published on 15.5.2015
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GB/T 15256-2014
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Rubber, vulcanized or thermoplasticDetermination of low-temperature brittlenessmultiple test piece method
Standard published on 31.12.2014
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GB/T 15257-2008
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Mixed modulation chloroprene rubber CR321CR322
Standard published on 19.6.2008
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GB 15258-2009
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General rules for preparation of precautionary label for chemicals
Standard published on 21.6.2009
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GB/T 15259-2008
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Terms relating to mine safety
Standard published on 23.12.2008
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GB/T 1526-1989
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Information processing--Documentation symbols and conventionsfor data program and system flowcharts program network charts and system resources charts
Standard published on 12.6.1989
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GB/T 15260-2016
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Corrosion of metals and alloys—Test methods for intergranular corrosion of nickel alloys
Standard published on 29.8.2016
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GB/T 15261-2008
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Measurement methods for acoustic properties of ultrasonically tissue-mimicking materials
Standard published on 22.1.2008
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GB/T 15264-1994
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Ambient air--Determination of lead--Flame atomic absorption spectrophotometric method
Standard published on 2.11.1994
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GB/T 15265-1994
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Ambient air--Determination of dustfall--Gravimetric method
Standard published on 2.11.1994
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