Chicago-based aircraft manufacturer Boeing would not divulge details about its deal with Iran Air — not the number of aircraft involved, the specific models or the price tag. Simon Dawson/Bloomberg via Getty Images hide caption

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Simon Dawson/Bloomberg via Getty Images

French President Francois Hollande (left) greets Iranian President Hassan Rouhani before a meeting at the Elysee Palace in Paris on Thursday. Rouhani's visit to Europe this week has been accompanied by numerous business deals announced by Iran and European companies. Peugeot-Citroen said Thursday it was returning to Iran to build cars with an Iranian automaker. Christophe Ena/AP hide caption

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Christophe Ena/AP

Airbus' patented design for amphitheater-like seating. Espacenet hide caption

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Espacenet

'Flying Doughnuts': Airbus Files Patent For A New Kind Of Plane

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An Airbus A320 on display during Airshow China 2012 at China International Aviation Exhibition Center in Zhuhai on Nov. 13, 2012. Increasing prosperity and urbanization in China and elsewhere in Asia will drive the global demand for aircraft, Airbus said Tuesday. Marina Lystseva /ITAR-TASS/Landov hide caption

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Marina Lystseva /ITAR-TASS/Landov