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Standards GB - Chinese national standards - Page 8866
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 6640-1986
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Fresh round scad
WITHDRAWN published on 1.1.1986
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GB 6641-1986
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Dried marine shrimp
WITHDRAWN published on 1.1.1986
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GB 6642-1986
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Dried small shrimp
WITHDRAWN published on 1.1.1986
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GB 6644-1986
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General purpose rigid coaxial transmission lines and their associated flange connectors--Detail specification
WITHDRAWN published on 1.1.1986
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GB/T 6645-1986
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Granulated electric furnace phosphorous slag used for cement production
WITHDRAWN published on 29.7.1986
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GB/T 6646.1-1986
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Method for dry classification of chrysotile asbestos fibre
WITHDRAWN published on 29.7.1986
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GB/T 6646.2-1986
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Method for wet classification of chrysotile asbestos fibre by length distribution
WITHDRAWN published on 29.7.1986
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GB/T 6646.3-1986
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Method for rapid wet classification of chrysotile asbestos fibre by length distribution
WITHDRAWN published on 29.7.1986
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GB/T 6646.4-1986
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Method for specific surface area of chrysotile asbestos
WITHDRAWN published on 29.7.1986
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GB/T 6646.5-1986
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Method for grit and crude content in chrysotile asbestos
WITHDRAWN published on 29.7.1986
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