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Standards GB - Chinese national standards - Page 8580
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 561-1965
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WITHDRAWN published on 1.1.1965
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GB 5610-1985
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Cigarette--Sampling and quality comprehensive accessment method
WITHDRAWN published on 1.1.1985
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GB 5611-1985
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WITHDRAWN published on 1.1.1985
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GB/T 5611-1998
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Foundry terminology
WITHDRAWN published on 31.7.1998
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GB/T 5612-1985
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Code for representing cast iron
WITHDRAWN published on 25.11.1985
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GB/T 5612-2008
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Code for representing cast iron
WITHDRAWN published on 3.3.2008
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GB 5613-1985
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Code for representing cast steels
WITHDRAWN published on 1.1.1985
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GB/T 5613-1995
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Code for representing cast steels
WITHDRAWN published on 10.5.1995
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GB/T 5614-1985
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The designationsdefinitions and symbols for heat treatment tempers of iron castings
WITHDRAWN published on 25.11.1985
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GB/T 5615-1985
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The designations, definitions and symbols for heat treatment tempers of steel castings
WITHDRAWN published on 25.11.1985
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