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Standards GB - Chinese national standards - Page 5705
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 12465-1996
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Piping sleeve expansion joints
WITHDRAWN published on 25.4.1996
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GB/T 12465-2002
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Piping sleeve compensatory couplings
WITHDRAWN published on 29.8.2002
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GB/T 12465-2007
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Piping compensatory couplings
WITHDRAWN published on 29.4.2007
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GB/T 12466-1990
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Terminology for corrosion and protection for ship and marine engineering
WITHDRAWN published on 8.9.1990
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GB/T 12467-1990
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Quality assurance of welding--General principle
WITHDRAWN published on 1.1.1990
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GB/T 12467.1-1998
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Quality requirements for welding—Fusion welding of metallic materials—Part 1:Guidelines for selection and use
WITHDRAWN published on 12.8.1998
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GB/T 12467.2-1998
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Quality requirements for welding—Fusion welding of metallic materials—Part 2:Comprehensive quality requirements
WITHDRAWN published on 12.8.1998
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GB/T 12467.3-1998
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Quality requirements for welding—Fusion welding of metallic materials—Part 3:Standards quality requirements
WITHDRAWN published on 12.8.1998
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GB/T 12467.4-1998
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Quality requirements for welding—Fusion welding of metallic materials—Part 4:Elementary quality requirements
WITHDRAWN published on 12.8.1998
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GB/T 12468-1990
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Quality assurance of welding--Operations requirements regarding the firm
WITHDRAWN published on 1.1.1990
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