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Standards GB - Chinese national standards - Page 6617
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 1839-1980
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WITHDRAWN published on 1.1.1980
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GB/T 1839-1993
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Steel product. Zinc coating mass testing method
WITHDRAWN published on 10.6.1993
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GB/T 1839-2003
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Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
WITHDRAWN published on 12.9.2003
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GB/Z 18390-2001
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Information technology--Guidance onmeasurement techniques for 90mm optical disk cartridges
WITHDRAWN published on 16.7.2001
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GB/T 18391.1-2002
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Information technology—Specification and standardization of data elements—Part 1:Framework for the specification and standardization of data elements
WITHDRAWN published on 18.7.2002
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GB/T 18391.2-2003
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Information technology—Specification and standardization of data elements—Part 2:Classification for data elements
WITHDRAWN published on 25.7.2003
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GB/T 18391.3-2001
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Information technology—Specification and standardization of data elements—Part 3:Basic attributes of data elements
WITHDRAWN published on 16.7.2001
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GB/T 18391.4-2001
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Information technology—Specification and standardization of data elements—Part 4:Rules and guidelines for the formulation of data definitions
WITHDRAWN published on 16.7.2001
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GB/T 18391.5-2001
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Information technology—Specification and standardization of data elements—Part 5:Naming and identification principles for data elements
WITHDRAWN published on 16.7.2001
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GB/T 18391.6-2001
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Information technology—Specification and standardization of data elements—Part 6:Registration of data elements
WITHDRAWN published on 16.7.2001
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