| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YS/T 438.4-2001 | English | 199 |
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Methods for physical performance determination of sandy alumina. Determination of specific surface area. B. E. T. method
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YS/T 438.4-2001
| Obsolete |
YS/T 438.4-2001
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