Obsolete

MT 28-1994Optical interference methane measuring (English PDF)

光干涉式甲烷测定器

MT 28 | Evolution and historical versions

Std ID	Title	Status
MT 28-1994	Optical interference methane measuring	Obsolete

MT 28-1994 is obsolete. It has been replaced by MT 28-2005. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

National Mine Safety Administration

Level / Type

National · Mandatory

Issue date

May 12, 1994

Implementation date

December 1, 1994

Scope

MT 28-1994 is the English-translated version of 光干涉式甲烷测定器.

MT 28-1994 is the Chinese industry standard "Optical interference methane measuring". It was issued on May 12, 1994 by the National Mine Safety Administration, and took effect on December 1, 1994. It is obsolete: it has been replaced by MT 28-2005.

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Document preview — MT 28-1994

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: 1994-05-12.

Date of implementation: 1994-12-01.

Status: obsolete, replaced by MT 28-2005.

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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.

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