| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6687-2013 | English | 1439 |
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Days<=6
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Technical specification for borehole to surface electromagnetic method
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SY/T 6687-2013
| Obsolete |
SY/T 6687-2013
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