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Standards GB - Chinese national standards - Page 5652
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 12085.6-1989
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Optics and optical instruments—Environmental test methods—Dust
WITHDRAWN published on 29.12.1989
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GB/T 12085.6-2010
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Optics and optical instruments—Environmental test methods—Part 6:Dust
WITHDRAWN published on 14.1.2011
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GB/T 12085.7-1989
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Optics and optical instruments—Environmental test methods—Rain
WITHDRAWN published on 29.12.1989
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GB/T 12085.7-2010
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Optics and optical instruments—Environmental test methods—Part 7:Resistance to drip or rain
WITHDRAWN published on 14.1.2011
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GB/T 12085.8-1989
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Optics and optical instruments—Environmental test methods—High pressure, low pressure, immersion
WITHDRAWN published on 29.12.1989
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GB/T 12085.8-2010
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Optics and optical instruments—Environmental test methods—Part 8:High pressure,low pressure,immersion
WITHDRAWN published on 14.1.2011
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GB/T 12085.9-1989
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Optics and optical instruments—Environmental test methods—Solar radiation
WITHDRAWN published on 29.12.1989
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GB/T 12085.9-2010
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Optics and optical instruments—Environmental test methods—Part 9:Solar radiation
WITHDRAWN published on 14.1.2011
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GB/T 12086-1989
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Method for determination of ash in starches
WITHDRAWN published on 29.12.1989
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GB/T 12087-1989
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Method for determination of moisture content in starches
WITHDRAWN published on 29.12.1989
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