Item:Q15903: Difference between revisions
Created a new Item: industrial nitrogen fixation |
Created claim: facet of (P53): nitrogen fixation (Q15897) |
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| Property / instance of: chemical reaction / rank | |||
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| Property / subclass of: chemical process / rank | |||
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| Property / part of: nitrogen fixation / rank | |||
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| Property / facet of: nitrogen fixation / rank | |||
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