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Standards GB - Chinese national standards - Page 7203
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 25047-2010
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Metallic materials—Tube—Ring-expanding test
WITHDRAWN published on 2.9.2010
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GB/T 25048-2010
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Metallic materials—Tube—Ring tensile test
WITHDRAWN published on 2.9.2010
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GB/T 25049-2010
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Ferronickel
WITHDRAWN published on 2.9.2010
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GB/T 2505-1989
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Marine cast brass pipe flanges
WITHDRAWN published on 27.3.1989
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GB/T 25052-2010
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Continuously hot-dip coated steel sheet and strip—Tolerances on dimensions,shape and weight
WITHDRAWN published on 2.9.2010
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GB/T 25053-2010
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Continuously hot rolled low carbon steel sheet and strip
WITHDRAWN published on 2.9.2010
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GB/T 25054-2010
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Technical directives for the designation of special marine protected area
WITHDRAWN published on 26.9.2010
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GB/T 25055-2010
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Information security techniques—Public Key Infrastructure security supporting platform framework
WITHDRAWN published on 2.9.2010
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GB/T 25056-2010
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Information security techniques—Specifications of cryptograph and related security technology for certificate authentication system
WITHDRAWN published on 2.9.2010
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GB/T 25057-2010
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Information security techniques—Public key infrastructure—Specification of application interface of electronic signature card
WITHDRAWN published on 2.9.2010
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