| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 18340.4-2010 | English | 529 |
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Organic geochemical analysis methods for geological samples -- Part 4: Determination of aromatic hydrocarbon group component in heavy fraction of oil -- Mass spectrometry
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GB/T 18340.4-2010
| Valid |
GB/T 18340.4-2010
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