| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6409-2009 | English | 399 |
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Main technical and economic indexes and calculating methods on materials supply of petroleum enterprises
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SY/T 6409-2009
| Obsolete |
SY/T 6409-2009
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