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MT/T 1255-2025Technical Standards for Construction of Full-Face Rock Tunneling Machines in Mine Inclined Shafts (English PDF)

矿山斜井全断面岩石掘进机施工技术标准

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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 1255-2025 is the English-translated version of 矿山斜井全断面岩石掘进机施工技术标准.

MT/T 1255-2025 — Technical Standards for Construction of Full-Face Rock Tunneling Machines in Mine Inclined Shafts

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Document preview — MT/T 1255-2025

National Standard of the People's Republic of China

Issued by: National Energy Administration

Document data1

Document data

Estimated length of the Chinese original: 70,735 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 47 pages — is available in the English PDF.

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