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Standards GB - Chinese national standards - Page 7207
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 251-1995
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Gray scale for assessing staining
WITHDRAWN published on 8.12.1995
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GB/T 2510-1981
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Copper alloy integrated shaft sleeves for plain bearings with gears--Types, dimensions and tolerances
WITHDRAWN published on 3.3.1981
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GB/Z 25101-2010
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Content delivery and rights management—Functional requirements for identifiers and descriptors for use in the music,film,video,sound recording and publishing industries
WITHDRAWN published on 2.9.2010
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GB/T 25104-2010
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Crude oil-automatic determination of water—RF method
WITHDRAWN published on 2.9.2010
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GB/Z 25105.1-2010
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Industrial communication networks—Fieldbus specifications—Type 10:PROFINET IO specifications—Part 1:Application layer service definition
WITHDRAWN published on 2.9.2010
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GB/T 25105.1-2014
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Industrial conmunication networks—Fieldbus specifications—Type 10:PROFINET IO specifications—Part 1:Application layer service definition
WITHDRAWN published on 30.9.2014
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GB/Z 25105.2-2010
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Industrial communication networks—Fieldbus specifications—Type 10:PROFINET IO specifications—Part 2:Application layer protocol specification
WITHDRAWN published on 2.9.2010
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GB/T 25105.2-2014
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Industrial communication networks—Fieldbus specifications—Type 10 PROFINET IO specifications—Part 2:Application layer protocol specification
WITHDRAWN published on 30.9.2014
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GB/Z 25105.3-2010
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Industrial communication networks—Fieldbus specifications—Type 10:PROFINET IO specifications—Part 3:PROFINET IO communication profile
WITHDRAWN published on 2.9.2010
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GB/T 25105.3-2014
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Industrial communication networks—Fieldbus specifications—Type 10:PROFINET IO specifications—Part 3:PROFINET IO communication profile
WITHDRAWN published on 30.9.2014
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