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Standards GB - Chinese national standards - Page 5570
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 12085.14-1989
WITHDRAWN
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Optics and optical instruments—Environmental test methods—Dew, hoarfrost, ice
WITHDRAWN published on 29.12.1989
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GB/T 12085.14-2010
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Optical and optical instruments—Environmental test methods—Part 14:Dew,hoarfrost,ice
WITHDRAWN published on 14.1.2011
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GB/T 12085.15-1995
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Optics and optical instruments—Environmental test methods—Combined random vibration wideband—Reproducibility medium, in dry heat or cold
WITHDRAWN published on 24.12.1995
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GB/T 12085.15-2010
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Optics and optical instruments—Environmental test methods—Part 15:Combined digitally controlled broad-band random vibration and dry heat or cold
WITHDRAWN published on 14.1.2011
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GB/T 12085.16-1995
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Optics and optical instruments—Environmental test methods—Combined bounce or steady state acceleration, in dry heat or cold
WITHDRAWN published on 24.12.1995
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GB/T 12085.16-2010
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Optics and optical instruments—Environmental test methods—Part 16:Combined bounce or steady-state acceleration and dry heat or cold
WITHDRAWN published on 14.1.2011
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GB/T 12085.17-1995
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Optics and optical instruments—Environmental test methods—Combined contamination, solar radiation
WITHDRAWN published on 14.12.1995
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GB/T 12085.17-2011
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Optics and optical instruments—Environmental test methods—Part 17:Combined contamination,solar radiation
WITHDRAWN published on 16.6.2011
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GB/T 12085.18-2011
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Optics and optical instruments—Environmental test methods—Part 18:Combined damp heat and low internal pressure
WITHDRAWN published on 16.6.2011
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GB/T 12085.19-2011
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Optics and optical instruments—Environmental test methods—Part 19:Temperature cycles combined with sinusoidal or random vibration
WITHDRAWN published on 16.6.2011
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