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Standards GB - Chinese national standards - Page 997
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 18802.341-2007
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Components for low-voltage surge protective devices - Part 341: Secification for thyristor surge suppressors(TSS)
Standard published on 21.6.2007
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GB/T 18802.351-2019
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Components for low-voltage surge protective devicesPart 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
Standard published on 10.12.2019
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GB/T 18802.352-2022
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Components for low-voltage surge protection—Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
Standard published on 30.12.2022
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GB/T 18804-2022
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Codes for types of means of transport
Standard published on 12.10.2022
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GB/T 18805-2002
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Commodity bar code printability test
Standard published on 9.8.2002
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GB/T 18805-2026
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Commodity bar code printability test
Execute Date: november 2026
Standard published on 30.4.2026
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GB/T 18806-2002
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General specification for the resistance strain pressure transducer/sensor
Standard published on 9.8.2002
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GB/T 18807-2002
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Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1.3 gigabytes per cartridge
Standard published on 9.8.2002
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GB/T 18809-2019
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General specification for air ion measuring instruments
Standard published on 30.8.2019
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GB/T 1881-1995
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Phosphate rock and concentrate--Determination of strontium oxide content--Flame atomic absorptionspectrometric method
Standard published on 20.12.1995
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