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GB - Chinese national standards - Page 4640

Standards GB - Chinese national standards - Page 4640

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 46217-2025 29.8.2025
GB/T 46217-2025

Test method of ionizing radiation effect for polymer-based piezoelectric composites

Standard published on 29.8.2025

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334.80 USD


in 3 working days
Preview GB/T 46218-2025 29.8.2025
GB/T 46218-2025

Backup roll

Standard published on 29.8.2025

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262.80 USD


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Preview GB/T 46219-2025 29.8.2025
GB/T 46219-2025

Corrosion-resistant alloy U-bent tubes

Standard published on 29.8.2025

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electronic design (pdf) (382.80 USD)


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382.80 USD


in 4 working days
Preview GB/T 4622.1-2022 12.10.2022
GB/T 4622.1-2022

Spiral wound gaskets for pipe flanges—Part 1: PN designated

Standard published on 12.10.2022

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electronic design (pdf) (598.80 USD)


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598.80 USD


in 5 working days
Preview GB/T 4622.2-2022 12.10.2022
GB/T 4622.2-2022

Spiral wound gaskets for pipe flanges—Part 2: Class designated

Standard published on 12.10.2022

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electronic design (pdf) (550.80 USD)


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550.80 USD


in 4 working days
Preview GB/T 46220-2025 29.8.2025
GB/T 46220-2025

Test method for mode I fatigue delamination growth onset of fiber-reinforced plastic composites

Standard published on 29.8.2025

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262.80 USD


in 3 working days
Preview GB/T 46221-2025 29.8.2025
GB/T 46221-2025

Test method for mode III interlaminar fracture toughness of fiber-reinforced plastic composites

Standard published on 29.8.2025

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358.80 USD


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Preview GB/T 46222-2025 29.8.2025
GB/T 46222-2025

Test method for mixed mode I-III interlaminar fracture toughness of fiber-reinforced plastic composites

Standard published on 29.8.2025

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382.80 USD


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Preview GB/T 46223-2025 29.8.2025
GB/T 46223-2025

Microbeam analysis—Analytical electron microscopy—Method for the determination of energy resolution for electron energy loss spectrum analysis

Standard published on 29.8.2025

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814.80 USD


in 5 working days
Preview GB/T 46224-2025 29.8.2025
GB/T 46224-2025

Methods for evaluating the nodularity of carbides

Standard published on 29.8.2025

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electronic design (pdf) (718.80 USD)


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718.80 USD


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