| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| MT 670-1997 | English | 399 |
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Days<=3
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Specification for prevention against the stray corrent of underground traction network of coal mines
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MT 670-1997
| Obsolete |
MT 670-1997
|