| (subclass RefinedPetroleumProduct PetroleumProduct) | Economy.kif 5929-5929 | RefinedPetroleumProduct est une sous-classe de PetroleumProduct |
| (subclass LiquefiedPetroleumGas RefinedPetroleumProduct) | Economy.kif 5933-5933 | LiquefiedPetroleumGas est une sous-classe de RefinedPetroleumProduct |
| (subclass PetroleumLubricant RefinedPetroleumProduct) | Economy.kif 5935-5935 | PetroleumLubricant est une sous-classe de RefinedPetroleumProduct |
| (subclass Asphalt RefinedPetroleumProduct) | Economy.kif 5953-5953 | Asphalt est une sous-classe de RefinedPetroleumProduct |
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