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Standards GB - Chinese national standards - Page 570
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 1587-2025
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Potassium carbonate for industrial use
Standard published on 5.10.2025
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GB/T 15870-1995
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Chrome thin films for hard surface photomasks
Standard published on 22.12.1995
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GB/T 15871-1995
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Hard surface photomask substrates
Standard published on 22.12.1995
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GB/T 15872-2013
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Power supply interface for semiconductor equipment
Standard published on 17.12.2013
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GB/T 15873-1995
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Directives for drafting semiconductor facilities interface specification
Standard published on 22.12.1995
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GB/T 15874-1995
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General specification for trunked mobile communication system
Standard published on 22.12.1995
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GB/T 15875-1995
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General specification for leaky cable radiocommunication system
Standard published on 22.12.1995
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GB/T 15876-2015
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Semiconductor integrated circuits—Specification of leadframes for plastic quad flat package
Standard published on 15.5.2015
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GB/T 15877-2013
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Semiconductor integrated circuits—Specification of DIP leadframes produced by etching
Standard published on 31.12.2013
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GB/T 15878-2015
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Semiconductor integrated circuits—Specification of leadframes for small outline package
Standard published on 15.5.2015
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