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Standards GB - Chinese national standards - Page 192
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 12443-2017
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Metallic materials—Torque-controlled fatigue testing
Standard published on 28.2.2017
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GB/T 12444-2006
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Metallic materials - Wear test method - Block-on-ring sliding wear test
Standard published on 1.11.2006
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GB/T 12448-2010
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Woodworking machines - Programming method for the types
Standard published on 10.11.2010
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GB/T 12449-1990
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Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment
Standard published on 2.8.1990
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GB/T 12450-2001
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Title leaves of books
Standard published on 19.12.2001
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GB/T 12451-2023
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Cataloguing in publication data
Standard published on 7.9.2023
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GB/T 12452-2022
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General principles of water balance test
Standard published on 11.7.2022
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GB/T 12453-2008
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Information technology - Open system interconnection - Transport service definition
Standard published on 16.7.2008
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GB/T 12454-2017
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Method of evaluating luminous environment
Standard published on 12.7.2017
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GB/T 12455-2010
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The rationality of electricity usage in guesthouse and hotel
Standard published on 10.11.2010
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