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GB - Chinese national standards - Page 4603

Standards GB - Chinese national standards - Page 4603

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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Preview GB/T 45974-2025 1.8.2025
GB/T 45974-2025

Fine ceramics—Method for determination of grain size and size distribution

Standard published on 1.8.2025

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electronic design (pdf) (622.80 USD)


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622.80 USD


in 5 working days
Preview GB/T 45975-2025 1.8.2025
GB/T 45975-2025

Data format of terrestrial ecological meteorological application

Standard published on 1.8.2025

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electronic design (pdf) (2254.80 USD)


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2 254.80 USD


in 10 working days
Preview GB/T 45976-2025 1.8.2025
GB/T 45976-2025

Aircraft—Environmental test for airborne fluid system components—Resistance to fire in designated fire zones

Standard published on 1.8.2025

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electronic design (pdf) (256.80 USD)


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256.80 USD


in 3 working days
Preview GB/T 45977-2025 1.8.2025
GB/T 45977-2025

Aircraft auxiliary power system vocabulary

Standard published on 1.8.2025

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electronic design (pdf) (430.80 USD)


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430.80 USD


in 4 working days
Preview GB/T 45978-2025 1.8.2025
GB/T 45978-2025

Pressure and temperature classifications for hydraulic systemms of aerospace

Standard published on 1.8.2025

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electronic design (pdf) (250.80 USD)


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250.80 USD


in 3 working days
Preview GB/T 45979-2025 1.8.2025
GB/T 45979-2025

Technical code of practice for dynamic monitoring of coal mining subsidence area by satellite remote sensing

Standard published on 1.8.2025

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electronic design (pdf) (526.80 USD)


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526.80 USD


in 4 working days
Preview GB/T 45980-2025 1.8.2025
GB/T 45980-2025

Requirements for digital testing equipment for aircraft electrical power characteristics

Standard published on 1.8.2025

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electronic design (pdf) (430.80 USD)


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430.80 USD


in 4 working days
Preview GB/T 45981.1-2025 29.8.2025
GB/T 45981.1-2025

Heavy casting and forging for heavy-duty gas turbine—Part 1Steel open die forgings

Standard published on 29.8.2025

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electronic design (pdf) (718.80 USD)


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718.80 USD


in 5 working days
Preview GB/T 45981.2-2025 1.8.2025
GB/T 45981.2-2025

Heavy casting and forging for heavy-duty gas turbine—Part 2Superalloy die forgings

Standard published on 1.8.2025

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electronic design (pdf) (442.80 USD)


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442.80 USD


in 4 working days
Preview GB/T 45981.3-2025 1.8.2025
GB/T 45981.3-2025

Heavy casting and forging for heavy-duty gas turbine—Part 3Steel castings

Standard published on 1.8.2025

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electronic design (pdf) (442.80 USD)


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442.80 USD


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