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Standards GB - Chinese national standards - Page 4460

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 44816.1-2024

Technical requirements for interoperability of access network system—Part 1:10Gbit/s passive optical networks (XG-PON)

Standard published on 26.10.2024

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GB/T 44816.2-2024

Technical requirements for interoperability of access network system—Part 210Gbit/s symmetric passive optical networks (XGS-PON)

Standard published on 26.10.2024

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GB/T 44817-2024

Information technology—Telecommunications and information exchange between systems—Virtual bridged local area networks bridge port extension

Standard published on 26.10.2024

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GB/T 44818-2024

Technical specification at the project level for assessment of greenhouse gas emission reductions—Solar thermal applications

Standard published on 26.10.2024

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GB/T 44819-2024

Method for determining the spontaneous combustion indicator gas and critical value in coal seams

Standard published on 26.10.2024

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442.80 USD

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GB/T 4482-2018

Water treatment chemicals—Ferric chloride

Standard published on 6.2.2018

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430.80 USD

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GB/T 44820-2024

General requirements for super pressure balloon

Standard published on 26.10.2024

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GB/T 44821.1-2024

Technical requirements for stratospheric airship—Part 1:Environmental control system

Standard published on 26.10.2024

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GB/T 44821.2-2024

Technical requirements for stratospheric airship—Part 2:Propulsion system

Standard published on 26.10.2024

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GB/T 44821.3-2026

Technical requirements for stratospheric airship—Part 3:Energy system

Standard published on 25.5.2026

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430.80 USD

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Entries shown from 44590 to 44600 out of a total of 94224 entries.

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