File:Production of ammonia.svg

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Description	English: Production of ammonia 1946–2007 Deutsch: Ammoniakproduktion 1946–2007
Date	26 August 2009
Source
Author	derivative work: Leyo

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: language-neutral version. The original can be viewed here: Ammoniakproduktion.svg. Modifications made by Leyo.

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I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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Ammonia

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