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Standards GB - Chinese national standards - Page 7414
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 22890-2008
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Leather—Physical and mechanical tests—Determination of water resistance of flexible leather
WITHDRAWN published on 30.12.2008
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GB 229-1984
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Metallic materials--Charpy impact test (U-notch)
WITHDRAWN published on 1.1.1984
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GB/T 229-1994
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Metallic materials—Charpy notch impact test
WITHDRAWN published on 22.12.1994
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GB/T 229-2007
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Metallic materials—Charpy pendulum impact test method
WITHDRAWN published on 23.11.2007
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GB 2290-1980
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Coal tar pitch
WITHDRAWN published on 1.1.1980
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GB/T 2290-1994
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Coal tar pitch
WITHDRAWN published on 9.5.1994
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GB/T 22900-2009
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General rules of science and technology research projects evaluation
WITHDRAWN published on 12.1.2009
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GB/T 22902-2008
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Pulps - Determination of acetone-soluble matter
WITHDRAWN published on 30.12.2008
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GB/T 22904-2008
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Pulp,paper and board—Determination of total chlorine and organically bound chlorine
WITHDRAWN published on 30.12.2008
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GB/T 22905-2008
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Superabsorbent polymer for diaper
WITHDRAWN published on 30.12.2008
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