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GB/T 19557.3-2026

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Guidelines for the conduct of tests for distinctness, uniformity and stability—Durum wheat（Triticum turgidum subsp. Durum）

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 19557.35-2026

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Guidelines for the conduct of tests for distinctness, uniformity and stability—Sunflower（Helianthus annuus L.）

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 32661-2026

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Spherical silica powder

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 26280-2026

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Integral drill steels for rock drilling

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 46594-2026

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Evaluation guide for low-carbon enterprises in building material industry

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 12772-2026

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Cast iron pipes, fittings and accessories with flexible joint for building drainage

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 13748.21-2026

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Methods for chemical analysis of magnesium and magnesium alloys—Part 21: Determination of elements content—Photoelectric direct reading atomic emission spectrometric method

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 47688-2026

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General requirements for product lifecycle management (PLM) system

Issued: 2026-05-25
Effective: 2026-12-01

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GB/T 16866-2026

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Dimensions and tolerances of copper and copper alloy seamless tubes

Issued: 2026-05-25
Effective: 2026-12-01

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