Item:Q7132: Difference between revisions
Created a new Item: petroleum product, useful material derived from crude oil (petroleum) |
Created claim: subclass of (P1): product (Q125) |
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| Property / subclass of: organic matter / rank | |||
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| Property / subclass of: commodity / rank | |||
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| Property / subclass of | |||
| Property / subclass of: product / rank | |||
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