| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DB/T 20.1-2006 | English | 709 |
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Specification for the construction of seismic station Underground fluid station Part 1: Water level and water temperature observatory
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DB/T 20.1-2006
| Valid |
DB/T 20.1-2006
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