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Standards GB - Chinese national standards - Page 8466
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 6841-1986
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Acceptance examination regulation for sewing thread
WITHDRAWN published on 6.9.1986
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GB/T 6842-1986
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Requirement of packing transport and store for sewing thread
WITHDRAWN published on 6.9.1986
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GB 6844-1986
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Method for determining the surface resistance of film base
WITHDRAWN published on 1.1.1986
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GB 6845-1986
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Method for determining the thickness of film base
WITHDRAWN published on 1.1.1986
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GB/T 6846-1986
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Method for determining safety times of darkroom illumination
WITHDRAWN published on 6.9.1986
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GB 6847-1986
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Method for determining the curl of photographic film
WITHDRAWN published on 1.1.1986
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GB/T 6847-1995
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Determination of the curl of photographic film and paper
WITHDRAWN published on 20.12.1995
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GB/T 6848-1986
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Dimensions of the cores for motion-picture film rolls
WITHDRAWN published on 6.9.1986
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GB 6849-1986
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Method for determining the brittleness of photographic film
WITHDRAWN published on 1.1.1986
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GB/T 6849-1995
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Photographic films and papers--Wedge test for brittleness
WITHDRAWN published on 21.12.1995
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