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Standards GB - Chinese national standards - Page 5193
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 7415-2008
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Seed storage of agricultural crops
Standard published on 18.6.2008
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GB/T 7416-2008
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Malting barley
Standard published on 25.6.2008
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GB/T 7416.2-2025
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Quality requirements of brewing material—Part 2:Brewing malt
Standard published on 30.5.2025
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GB/T 7419-1987
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Information processing--Implementation of the 7-bit coded character set and its 7-bit and 8-bit extensions on 3.81mm magnetic tape cassette for data interchange
Standard published on 14.3.1987
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GB/T 742-2018
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Fibrous raw material, pulp, paper and board—Determination of residue(ash) on ignition at 575 and 900
Standard published on 28.12.2018
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GB/T 7421-2008
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Information technology - Telecommunications and information exchange between systems - High-level data link control (HDLC) procedures
Standard published on 19.8.2008
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GB/T 7423.1-1987
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Heat sink of semiconductor devices--Generic specification
Standard published on 16.3.1987
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GB/T 7423.2-1987
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Heat sink of semiconductor devices--Heat sinkextruded shapes
Standard published on 16.3.1987
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GB/T 7423.3-1987
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Heat sink of semiconductor devices--Heat sink staggered fingers shapes
Standard published on 16.3.1987
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GB/T 7424.1-2003
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Generic specification for optical fibre cables--Part 1:General
Standard published on 24.11.2003
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