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MT/T 229-2025General specifications of instrument for the determination of the crucible swelling number - electrical heating of bituminous coal (English PDF)

烟煤坩埚膨胀序数仪-电加热法通用技术条件

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

June 30, 2025

Implementation date

December 30, 2025

Scope

MT/T 229-2025 is the English-translated version of 烟煤坩埚膨胀序数仪-电加热法通用技术条件.

MT/T 229-2025 — General specifications of instrument for the determination of the crucible swelling number - electrical heating of bituminous coal

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Document preview — MT/T 229-2025

National Standard of the People's Republic of China

Replacing: MT/T 229-2005

Issued by: National Energy Administration

Document data1

Document data

Estimated length of the Chinese original: 11,179 words.

Supersedes the earlier edition MT/T 229-2005.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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