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GB/T 5758-2023

Published

Determination for particle size,effective size and uniformity coefficient of ion exchange resins

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

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GB/T 35307-2023

Published

Granular polysilicon produced by fluidized bed method

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

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GB/T 6730.87-2023

Published

Iron ores—Determination of total iron and other multi-element content—Wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method)

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

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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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