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GB - Chinese national standards - Page 4178

Standards GB - Chinese national standards - Page 4178

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 42651-2023 23.5.2023
GB/T 42651-2023

Space data and information transfer systems—Image data compression

Standard published on 23.5.2023

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electronic design (pdf) (790.80 USD)


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790.80 USD


in 6 working days
Preview GB/T 42652-2023 6.8.2023
GB/T 42652-2023

Public-private partnership —Advisory service requirements

Standard published on 6.8.2023

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electronic design (pdf) (226.80 USD)


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226.80 USD


in 3 working days
Preview GB/T 42653-2023 6.8.2023
GB/T 42653-2023

Test method for melt viscosity of glass

Standard published on 6.8.2023

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electronic design (pdf) (204.00 USD)


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204.00 USD


IN STOCK
Preview GB/T 42654-2023 6.8.2023
GB/T 42654-2023

Test method for erosion corrosion of marine water for copper and copper alloys

Standard published on 6.8.2023

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electronic design (pdf) (198.00 USD)


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198.00 USD


IN STOCK
Preview GB/T 42654-2023E 6.8.2023
GB/T 42654-2023E

Test method for erosion corrosion of marine water for copper and copper alloys

Standard published on 6.8.2023

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


Out of stock
Preview GB/T 42655-2023 6.8.2023
GB/T 42655-2023

Test method for compression properties of continuous fiber reinforced ceramic matrix composites at high temperature

Standard published on 6.8.2023

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502.80 USD


in 4 working days
Preview GB/T 42656-2023 6.8.2023
GB/T 42656-2023

Rare earth-based hydrogen storage alloys—Test method for measurement of kinetic properties of hydrogenation dehydrogenation reaction

Standard published on 6.8.2023

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electronic design (pdf) (252.00 USD)


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252.00 USD


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Preview GB/T 42656-2023E 6.8.2023
GB/T 42656-2023E

Rare earth-based hydrogen storage alloys—Test method for measurement of kinetic properties of hydrogenation dehydrogenation reaction

Standard published on 6.8.2023

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


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Preview GB/T 42657-2023 6.8.2023
GB/T 42657-2023

Test method of temperature coefficient of infrared refractive index for infrared optical glass —Normal incidence method

Standard published on 6.8.2023

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322.80 USD


in 3 working days
Preview GB/T 42658.3-2025 30.6.2025
GB/T 42658.3-2025

Surface chemical analysis—Sample handling, preparation and mounting—Part 3: Biomaterials

Standard published on 30.6.2025

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electronic design (pdf) (364.80 USD)


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364.80 USD


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