MT/T 321-1993Shearer spiral drum (English PDF)
采煤机螺旋滚筒
MT/T 321 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| MT/T 321-2025 | Helical drum for shearers | Valid |
| MT/T 321-2004 | Helical drum for shearers | Obsolete |
| MT/T 321-1993 | Shearer spiral drum | Obsolete |
MT/T 321-1993 is obsolete. It has been replaced by MT/T 321-2004. 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 · Recommended
Issue date
March 25, 1993
Implementation date
October 1, 1993
Scope
MT/T 321-1993 is the English-translated version of 采煤机螺旋滚筒.
MT/T 321-1993 is the Chinese industry standard "Shearer spiral drum". It was issued on March 25, 1993 by the National Mine Safety Administration, and took effect on October 1, 1993. It is obsolete: it has been replaced by MT/T 321-2004.
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Document preview — MT/T 321-1993
National Standard of the People's Republic of China
Issued by: National Mine Safety Administration
Contents
- Document data
1 Document data
Sector: Coal (industry standard).
Issuing body: National Mine Safety Administration.
Date of issue: 1993-03-25.
Date of implementation: 1993-10-01.
Status: obsolete, replaced by MT/T 321-2004.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
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MT/T 321-1993
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