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Standards GB - Chinese national standards - Page 8450
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 6160-1995
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Micrographics--Density of the first generation silver-gelatin microforms
WITHDRAWN published on 10.11.1995
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GB 6161-1985
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Micrographics Test--chart NO. 2--Description and use in microfilming
WITHDRAWN published on 1.1.1985
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GB/T 6161-1994
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Micrographics—Test chart No.2—Description and use in microfilming
WITHDRAWN published on 1.4.1994
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GB 6162-1985
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WITHDRAWN published on 1.1.1985
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GB/T 6163-1985
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Methods of measurement on radio receivers for FM broadcast transmissions
WITHDRAWN published on 21.6.1985
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GB 6164.1-1985
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Spring buffer for crane
WITHDRAWN published on 1.1.1985
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GB 6164.2-1985
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Rubber buffer for crane
WITHDRAWN published on 1.1.1985
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GB/T 6165-1985
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Methods for testing the performance of high efficiency particulate air filter—Penetration and resistance
WITHDRAWN published on 18.6.1985
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GB/T 6165-2008
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Test methed of the performance of high efficiency particulate air filter—Efficiency and risistance
WITHDRAWN published on 4.11.2008
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GB/T 6166-1985
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Methods for testing the performance of high efficiency filter media—Penetration and resistance
WITHDRAWN published on 18.6.1985
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