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Chinese National Standards

Browse selected Chinese national standards, including mandatory GB standards and recommended GB/T standards prepared for English search and inquiry workflows.

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GB mandatory national standards GB/T recommended national standards

GB/T 20564.13-2023

Published

Continuously cold rolled high strength steel sheet and strip for automobile—Part 13: Medium manganese steel

Issued: 2023-08-06
Effective: 2024-03-01

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GB/T 42789-2023

Published

Test method for gloss of silicon wafer

Issued: 2023-08-06
Effective: 2024-03-01

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GB/T 42787-2023

Published

High-entropy alloy powders for addictive manufacturing

Issued: 2023-08-06
Effective: 2024-03-01

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GB/T 42656-2023

Published

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

Issued: 2023-08-06
Effective: 2024-03-01

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GB/T 42668-2023

Published

Samarium-iron-nitrogen permanent magnetic powder for bonded magnet

Issued: 2023-08-06
Effective: 2024-03-01

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GB/T 38470-2023

Published

Recycling material for copper alloy

Issued: 2023-05-23
Effective: 2023-12-01

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GB/T 27698.4-2023

Published

Test methods for the performance of heat exchangers and heat exchange elements—Part 4: Measurement of noise from air-cooled heat exchangers

Issued: 2023-05-23
Effective: 2023-05-23

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GB/T 22550-2023

Published

Leisure accommodation vehicles—Terminology

Issued: 2023-05-23
Effective: 2023-12-01

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GB 1352-2023

Published

Issued: 2023-05-23
Effective: 2023-12-01

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