Infobox:Heavy oil
| Heavy oil |
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Prototype type |
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Internal name |
heavy-oil |
|
Required technologies |
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Produced by |
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Consumed by |
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| Heavy oil | Edit |
|
Prototype type |
|
|
Internal name |
heavy-oil |
|
Required technologies |
|
|
Produced by |
|
|
Consumed by |
|