Valid

MT 52-2009Electric support retary drill in coal mine (English PDF)

煤矿用支架式电钻

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Issued by

National Mine Safety Administration

Level / Type

National · Mandatory

Issue date

December 11, 2009

Implementation date

July 1, 2010

Scope

MT 52-2009 is the English-translated version of 煤矿用支架式电钻.

MT 52-2009 is the Chinese industry standard "Electric support retary drill in coal mine". It was issued on December 11, 2009 by the National Mine Safety Administration, and took effect on July 1, 2010. It is in force and replaces MT 52-1996.

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Document preview — MT 52-2009

National Standard of the People's Republic of China

Issued by: National Mine Safety Administration

Document data

1 Document data

Sector: Coal (industry standard).

Issuing body: National Mine Safety Administration.

Date of issue: 2009-12-11.

Date of implementation: 2010-07-01.

Status: valid, replaces MT 52-1996.

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

Editions of MT 52

Edition	Title	Revision	Status
MT 52-2009	Electric support retary drill in coal mine	—	Valid
MT 52-1996	Coal mine rock drill	—	Obsolete
MT 52-1980	Chinese Industry Standard	—	Obsolete

This page sells the current edition, MT 52-2009. Earlier editions are listed for reference only.

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