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Standards GB - Chinese national standards - Page 501
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 15269-2025
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Cigar
Standard published on 28.2.2025
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GB/T 1527-2017
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Drawn tube of copper and copper alloys
Standard published on 12.7.2017
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GB/T 15270-2001
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Tobacco and tobacco products—Polypropylene fiber tow filter rod
Standard published on 20.7.2001
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GB/T 15272-1994
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Programming languages-C
Standard published on 7.12.1994
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GB/T 15273.1-1994
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Information processing--8-Bit single-byte coded graphic character sets--Part 1:Latin alphabet No.1
Standard published on 7.12.1994
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GB/T 15274-1994
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Information processing systems--Open systems interconnection--Internal organization of the network layer
Standard published on 7.12.1994
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GB/T 15276-1994
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Information processing systems--Information exchange between systems--Synchronous transmission signal quality at DTE/DCE interfaces
Standard published on 7.12.1994
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GB/T 15278-1994
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Information processing--Data encipherment--Physical layer interoperability requirements
Standard published on 7.12.1994
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GB/T 15279-2002
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The specifications of automatic telephone set
Standard published on 18.7.2002
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GB/T 15279-2026
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Technical requirements and test methods for fixed-line telephone sets
Execute Date: november 2026
Standard published on 30.4.2026
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