| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 0051-1992 | English | 279 |
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Days<=3
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(Hydrogeology and Engineering Geology legend schemata)
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SY/T 0051-1992
| Obsolete |
SY/T 0051-1992
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