| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 660-1998 | English | 639 |
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Days<=5
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Test procedure for coal ash high-temperature viscosity characteristic
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DL/T 660-1998
| Obsolete |
DL/T 660-1998
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